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Finding the Fourth Proportional to 510,666.89, 766,000.34 and 155,677.83

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Solution

The fourth proportional to 510,666.89, 766,000.34 and 155,677.83 is: 233,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,666.89 : 766,000.34 = 155,677.83 : x
  2. Step 2: Convert to fraction form
    510,666.89/766,000.34 = 155,677.83/x
  3. Step 3: Cross multiply
    510,666.89x = 766,000.34 × 155,677.83
  4. Step 4: Simplify right side
    510,666.89x = 119,249,269,932.07
  5. Step 5: Solve for x
    x = 119,249,269,932.07/510,666.89
  6. Step 6: Final answer
    x = 233,516.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.