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Finding the Fourth Proportional to 584,752.32, 806,957.97 and 316,480.32

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Solution

The fourth proportional to 584,752.32, 806,957.97 and 316,480.32 is: 436,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,752.32 : 806,957.97 = 316,480.32 : x
  2. Step 2: Convert to fraction form
    584,752.32/806,957.97 = 316,480.32/x
  3. Step 3: Cross multiply
    584,752.32x = 806,957.97 × 316,480.32
  4. Step 4: Simplify right side
    584,752.32x = 255,386,316,572.15
  5. Step 5: Solve for x
    x = 255,386,316,572.15/584,752.32
  6. Step 6: Final answer
    x = 436,742.72

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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.