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Finding the Fourth Proportional to 611,702.04, 844,137.54 and 339,759.12

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Solution

The fourth proportional to 611,702.04, 844,137.54 and 339,759.12 is: 468,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,702.04 : 844,137.54 = 339,759.12 : x
  2. Step 2: Convert to fraction form
    611,702.04/844,137.54 = 339,759.12/x
  3. Step 3: Cross multiply
    611,702.04x = 844,137.54 × 339,759.12
  4. Step 4: Simplify right side
    611,702.04x = 286,803,427,749.37
  5. Step 5: Solve for x
    x = 286,803,427,749.37/611,702.04
  6. Step 6: Final answer
    x = 468,861.32

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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.