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Finding the Fourth Proportional to 506,326.40, 758,825.22 and 372,580.40

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Solution

The fourth proportional to 506,326.40, 758,825.22 and 372,580.40 is: 558,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,326.40 : 758,825.22 = 372,580.40 : x
  2. Step 2: Convert to fraction form
    506,326.40/758,825.22 = 372,580.40/x
  3. Step 3: Cross multiply
    506,326.40x = 758,825.22 × 372,580.40
  4. Step 4: Simplify right side
    506,326.40x = 282,723,403,997.69
  5. Step 5: Solve for x
    x = 282,723,403,997.69/506,326.40
  6. Step 6: Final answer
    x = 558,381.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.