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Finding the Fourth Proportional to 359,416.19, 539,032.03 and 106,636.88

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Solution

The fourth proportional to 359,416.19, 539,032.03 and 106,636.88 is: 159,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,416.19 : 539,032.03 = 106,636.88 : x
  2. Step 2: Convert to fraction form
    359,416.19/539,032.03 = 106,636.88/x
  3. Step 3: Cross multiply
    359,416.19x = 539,032.03 × 106,636.88
  4. Step 4: Simplify right side
    359,416.19x = 57,480,694,129.55
  5. Step 5: Solve for x
    x = 57,480,694,129.55/359,416.19
  6. Step 6: Final answer
    x = 159,927.95

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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.