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Finding the Fourth Proportional to 658,000.67, 908,047.19 and 386,073.19

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Solution

The fourth proportional to 658,000.67, 908,047.19 and 386,073.19 is: 532,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,000.67 : 908,047.19 = 386,073.19 : x
  2. Step 2: Convert to fraction form
    658,000.67/908,047.19 = 386,073.19/x
  3. Step 3: Cross multiply
    658,000.67x = 908,047.19 × 386,073.19
  4. Step 4: Simplify right side
    658,000.67x = 350,572,678,236.42
  5. Step 5: Solve for x
    x = 350,572,678,236.42/658,000.67
  6. Step 6: Final answer
    x = 532,784.68

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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.