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Finding the Fourth Proportional to 468,337.88, 646,306.23 and 253,477.93

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Solution

The fourth proportional to 468,337.88, 646,306.23 and 253,477.93 is: 349,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,337.88 : 646,306.23 = 253,477.93 : x
  2. Step 2: Convert to fraction form
    468,337.88/646,306.23 = 253,477.93/x
  3. Step 3: Cross multiply
    468,337.88x = 646,306.23 × 253,477.93
  4. Step 4: Simplify right side
    468,337.88x = 163,824,363,710.74
  5. Step 5: Solve for x
    x = 163,824,363,710.74/468,337.88
  6. Step 6: Final answer
    x = 349,799.52

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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.