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Finding the Fourth Proportional to 359,610.40, 539,487.60 and 106,890.40

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Solution

The fourth proportional to 359,610.40, 539,487.60 and 106,890.40 is: 160,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,610.40 : 539,487.60 = 106,890.40 : x
  2. Step 2: Convert to fraction form
    359,610.40/539,487.60 = 106,890.40/x
  3. Step 3: Cross multiply
    359,610.40x = 539,487.60 × 106,890.40
  4. Step 4: Simplify right side
    359,610.40x = 57,666,045,359.04
  5. Step 5: Solve for x
    x = 57,666,045,359.04/359,610.40
  6. Step 6: Final answer
    x = 160,357.00

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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.