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Finding the Fourth Proportional to 530,776.02, 728,351.13 and 482,662.02

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Solution

The fourth proportional to 530,776.02, 728,351.13 and 482,662.02 is: 662,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,776.02 : 728,351.13 = 482,662.02 : x
  2. Step 2: Convert to fraction form
    530,776.02/728,351.13 = 482,662.02/x
  3. Step 3: Cross multiply
    530,776.02x = 728,351.13 × 482,662.02
  4. Step 4: Simplify right side
    530,776.02x = 351,547,430,858.90
  5. Step 5: Solve for x
    x = 351,547,430,858.90/530,776.02
  6. Step 6: Final answer
    x = 662,327.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.