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Finding the Fourth Proportional to 359,852.69, 539,779.73 and 93,612.78

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Solution

The fourth proportional to 359,852.69, 539,779.73 and 93,612.78 is: 140,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,852.69 : 539,779.73 = 93,612.78 : x
  2. Step 2: Convert to fraction form
    359,852.69/539,779.73 = 93,612.78/x
  3. Step 3: Cross multiply
    359,852.69x = 539,779.73 × 93,612.78
  4. Step 4: Simplify right side
    359,852.69x = 50,530,281,112.95
  5. Step 5: Solve for x
    x = 50,530,281,112.95/359,852.69
  6. Step 6: Final answer
    x = 140,419.35

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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.