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Finding the Fourth Proportional to 653,813.42, 902,285.61 and 367,327.76

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Solution

The fourth proportional to 653,813.42, 902,285.61 and 367,327.76 is: 506,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,813.42 : 902,285.61 = 367,327.76 : x
  2. Step 2: Convert to fraction form
    653,813.42/902,285.61 = 367,327.76/x
  3. Step 3: Cross multiply
    653,813.42x = 902,285.61 × 367,327.76
  4. Step 4: Simplify right side
    653,813.42x = 331,434,552,001.53
  5. Step 5: Solve for x
    x = 331,434,552,001.53/653,813.42
  6. Step 6: Final answer
    x = 506,925.28

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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.