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Finding the Fourth Proportional to 435,172.92, 600,921.60 and 272,108.88

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Solution

The fourth proportional to 435,172.92, 600,921.60 and 272,108.88 is: 375,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,172.92 : 600,921.60 = 272,108.88 : x
  2. Step 2: Convert to fraction form
    435,172.92/600,921.60 = 272,108.88/x
  3. Step 3: Cross multiply
    435,172.92x = 600,921.60 × 272,108.88
  4. Step 4: Simplify right side
    435,172.92x = 163,516,103,543.81
  5. Step 5: Solve for x
    x = 163,516,103,543.81/435,172.92
  6. Step 6: Final answer
    x = 375,749.72

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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.