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Finding the Fourth Proportional to 514,624.32, 710,220.96 and 323,801.28

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Solution

The fourth proportional to 514,624.32, 710,220.96 and 323,801.28 is: 446,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,624.32 : 710,220.96 = 323,801.28 : x
  2. Step 2: Convert to fraction form
    514,624.32/710,220.96 = 323,801.28/x
  3. Step 3: Cross multiply
    514,624.32x = 710,220.96 × 323,801.28
  4. Step 4: Simplify right side
    514,624.32x = 229,970,455,930.83
  5. Step 5: Solve for x
    x = 229,970,455,930.83/514,624.32
  6. Step 6: Final answer
    x = 446,870.56

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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.