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Finding the Fourth Proportional to 555,312.70, 832,882.65 and 155,914.30

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Solution

The fourth proportional to 555,312.70, 832,882.65 and 155,914.30 is: 233,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,312.70 : 832,882.65 = 155,914.30 : x
  2. Step 2: Convert to fraction form
    555,312.70/832,882.65 = 155,914.30/x
  3. Step 3: Cross multiply
    555,312.70x = 832,882.65 × 155,914.30
  4. Step 4: Simplify right side
    555,312.70x = 129,858,315,356.90
  5. Step 5: Solve for x
    x = 129,858,315,356.90/555,312.70
  6. Step 6: Final answer
    x = 233,847.19

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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.