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Finding the Fourth Proportional to 653,598.89, 901,966.98 and 367,119.20

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Solution

The fourth proportional to 653,598.89, 901,966.98 and 367,119.20 is: 506,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,598.89 : 901,966.98 = 367,119.20 : x
  2. Step 2: Convert to fraction form
    653,598.89/901,966.98 = 367,119.20/x
  3. Step 3: Cross multiply
    653,598.89x = 901,966.98 × 367,119.20
  4. Step 4: Simplify right side
    653,598.89x = 331,129,391,614.18
  5. Step 5: Solve for x
    x = 331,129,391,614.18/653,598.89
  6. Step 6: Final answer
    x = 506,624.78

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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.