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Finding the Fourth Proportional to 359,883.60, 540,214.20 and 202,419.60

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Solution

The fourth proportional to 359,883.60, 540,214.20 and 202,419.60 is: 303,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,883.60 : 540,214.20 = 202,419.60 : x
  2. Step 2: Convert to fraction form
    359,883.60/540,214.20 = 202,419.60/x
  3. Step 3: Cross multiply
    359,883.60x = 540,214.20 × 202,419.60
  4. Step 4: Simplify right side
    359,883.60x = 109,349,942,278.32
  5. Step 5: Solve for x
    x = 109,349,942,278.32/359,883.60
  6. Step 6: Final answer
    x = 303,848.08

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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.