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Finding the Fourth Proportional to 468,031.80, 656,903.40 and 468,031.80

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Solution

The fourth proportional to 468,031.80, 656,903.40 and 468,031.80 is: 656,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,031.80 : 656,903.40 = 468,031.80 : x
  2. Step 2: Convert to fraction form
    468,031.80/656,903.40 = 468,031.80/x
  3. Step 3: Cross multiply
    468,031.80x = 656,903.40 × 468,031.80
  4. Step 4: Simplify right side
    468,031.80x = 307,451,680,728.12
  5. Step 5: Solve for x
    x = 307,451,680,728.12/468,031.80
  6. Step 6: Final answer
    x = 656,903.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.