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Finding the Fourth Proportional to 566,475.91, 781,746.72 and 308,360.28

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Solution

The fourth proportional to 566,475.91, 781,746.72 and 308,360.28 is: 425,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,475.91 : 781,746.72 = 308,360.28 : x
  2. Step 2: Convert to fraction form
    566,475.91/781,746.72 = 308,360.28/x
  3. Step 3: Cross multiply
    566,475.91x = 781,746.72 × 308,360.28
  4. Step 4: Simplify right side
    566,475.91x = 241,059,635,693.08
  5. Step 5: Solve for x
    x = 241,059,635,693.08/566,475.91
  6. Step 6: Final answer
    x = 425,542.61

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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.