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Finding the Fourth Proportional to 359,341.60, 539,401.20 and 201,877.60

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Solution

The fourth proportional to 359,341.60, 539,401.20 and 201,877.60 is: 303,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,341.60 : 539,401.20 = 201,877.60 : x
  2. Step 2: Convert to fraction form
    359,341.60/539,401.20 = 201,877.60/x
  3. Step 3: Cross multiply
    359,341.60x = 539,401.20 × 201,877.60
  4. Step 4: Simplify right side
    359,341.60x = 108,893,019,693.12
  5. Step 5: Solve for x
    x = 108,893,019,693.12/359,341.60
  6. Step 6: Final answer
    x = 303,034.83

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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.