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Finding the Fourth Proportional to 566,118.72, 849,320.64 and 211,144.32

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Solution

The fourth proportional to 566,118.72, 849,320.64 and 211,144.32 is: 316,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,118.72 : 849,320.64 = 211,144.32 : x
  2. Step 2: Convert to fraction form
    566,118.72/849,320.64 = 211,144.32/x
  3. Step 3: Cross multiply
    566,118.72x = 849,320.64 × 211,144.32
  4. Step 4: Simplify right side
    566,118.72x = 179,329,228,994.77
  5. Step 5: Solve for x
    x = 179,329,228,994.77/566,118.72
  6. Step 6: Final answer
    x = 316,769.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.