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Finding the Fourth Proportional to 435,023.88, 600,330.30 and 253,721.58

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Solution

The fourth proportional to 435,023.88, 600,330.30 and 253,721.58 is: 350,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,023.88 : 600,330.30 = 253,721.58 : x
  2. Step 2: Convert to fraction form
    435,023.88/600,330.30 = 253,721.58/x
  3. Step 3: Cross multiply
    435,023.88x = 600,330.30 × 253,721.58
  4. Step 4: Simplify right side
    435,023.88x = 152,316,752,237.87
  5. Step 5: Solve for x
    x = 152,316,752,237.87/435,023.88
  6. Step 6: Final answer
    x = 350,134.23

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1.5x scale

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.