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Finding the Fourth Proportional to 359,588.40, 539,689.80 and 160,215.60

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Solution

The fourth proportional to 359,588.40, 539,689.80 and 160,215.60 is: 240,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,588.40 : 539,689.80 = 160,215.60 : x
  2. Step 2: Convert to fraction form
    359,588.40/539,689.80 = 160,215.60/x
  3. Step 3: Cross multiply
    359,588.40x = 539,689.80 × 160,215.60
  4. Step 4: Simplify right side
    359,588.40x = 86,466,725,120.88
  5. Step 5: Solve for x
    x = 86,466,725,120.88/359,588.40
  6. Step 6: Final answer
    x = 240,460.27

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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.