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Finding the Fourth Proportional to 529,995.64, 731,327.52 and 358,287.22

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Solution

The fourth proportional to 529,995.64, 731,327.52 and 358,287.22 is: 494,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,995.64 : 731,327.52 = 358,287.22 : x
  2. Step 2: Convert to fraction form
    529,995.64/731,327.52 = 358,287.22/x
  3. Step 3: Cross multiply
    529,995.64x = 731,327.52 × 358,287.22
  4. Step 4: Simplify right side
    529,995.64x = 262,025,304,050.29
  5. Step 5: Solve for x
    x = 262,025,304,050.29/529,995.64
  6. Step 6: Final answer
    x = 494,391.43

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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.