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Finding the Fourth Proportional to 594,417.57, 820,296.15 and 339,774.23

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Solution

The fourth proportional to 594,417.57, 820,296.15 and 339,774.23 is: 468,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,417.57 : 820,296.15 = 339,774.23 : x
  2. Step 2: Convert to fraction form
    594,417.57/820,296.15 = 339,774.23/x
  3. Step 3: Cross multiply
    594,417.57x = 820,296.15 × 339,774.23
  4. Step 4: Simplify right side
    594,417.57x = 278,715,492,738.21
  5. Step 5: Solve for x
    x = 278,715,492,738.21/594,417.57
  6. Step 6: Final answer
    x = 468,888.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.