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Finding the Fourth Proportional to 435,133.20, 651,922.20 and 372,925.20

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Solution

The fourth proportional to 435,133.20, 651,922.20 and 372,925.20 is: 558,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,133.20 : 651,922.20 = 372,925.20 : x
  2. Step 2: Convert to fraction form
    435,133.20/651,922.20 = 372,925.20/x
  3. Step 3: Cross multiply
    435,133.20x = 651,922.20 × 372,925.20
  4. Step 4: Simplify right side
    435,133.20x = 243,118,216,819.44
  5. Step 5: Solve for x
    x = 243,118,216,819.44/435,133.20
  6. Step 6: Final answer
    x = 558,721.37

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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.