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Finding the Fourth Proportional to 567,592.65, 783,283.15 and 312,952.89

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Solution

The fourth proportional to 567,592.65, 783,283.15 and 312,952.89 is: 431,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,592.65 : 783,283.15 = 312,952.89 : x
  2. Step 2: Convert to fraction form
    567,592.65/783,283.15 = 312,952.89/x
  3. Step 3: Cross multiply
    567,592.65x = 783,283.15 × 312,952.89
  4. Step 4: Simplify right side
    567,592.65x = 245,130,728,222.52
  5. Step 5: Solve for x
    x = 245,130,728,222.52/567,592.65
  6. Step 6: Final answer
    x = 431,877.91

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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.