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Finding the Fourth Proportional to 359,758.55, 539,543.78 and 106,970.96

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Solution

The fourth proportional to 359,758.55, 539,543.78 and 106,970.96 is: 160,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,758.55 : 539,543.78 = 106,970.96 : x
  2. Step 2: Convert to fraction form
    359,758.55/539,543.78 = 106,970.96/x
  3. Step 3: Cross multiply
    359,758.55x = 539,543.78 × 106,970.96
  4. Step 4: Simplify right side
    359,758.55x = 57,715,516,108.63
  5. Step 5: Solve for x
    x = 57,715,516,108.63/359,758.55
  6. Step 6: Final answer
    x = 160,428.48

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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.