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Finding the Fourth Proportional to 359,558.20, 539,261.70 and 181,898.20

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Solution

The fourth proportional to 359,558.20, 539,261.70 and 181,898.20 is: 272,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,558.20 : 539,261.70 = 181,898.20 : x
  2. Step 2: Convert to fraction form
    359,558.20/539,261.70 = 181,898.20/x
  3. Step 3: Cross multiply
    359,558.20x = 539,261.70 × 181,898.20
  4. Step 4: Simplify right side
    359,558.20x = 98,090,732,558.94
  5. Step 5: Solve for x
    x = 98,090,732,558.94/359,558.20
  6. Step 6: Final answer
    x = 272,809.05

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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.