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Finding the Fourth Proportional to 506,330.15, 758,830.84 and 372,584.15

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Solution

The fourth proportional to 506,330.15, 758,830.84 and 372,584.15 is: 558,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,330.15 : 758,830.84 = 372,584.15 : x
  2. Step 2: Convert to fraction form
    506,330.15/758,830.84 = 372,584.15/x
  3. Step 3: Cross multiply
    506,330.15x = 758,830.84 × 372,584.15
  4. Step 4: Simplify right side
    506,330.15x = 282,728,343,515.19
  5. Step 5: Solve for x
    x = 282,728,343,515.19/506,330.15
  6. Step 6: Final answer
    x = 558,387.34

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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.