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Finding the Fourth Proportional to 359,611.52, 539,475.72 and 134,989.60

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Solution

The fourth proportional to 359,611.52, 539,475.72 and 134,989.60 is: 202,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,611.52 : 539,475.72 = 134,989.60 : x
  2. Step 2: Convert to fraction form
    359,611.52/539,475.72 = 134,989.60/x
  3. Step 3: Cross multiply
    359,611.52x = 539,475.72 × 134,989.60
  4. Step 4: Simplify right side
    359,611.52x = 72,823,611,652.51
  5. Step 5: Solve for x
    x = 72,823,611,652.51/359,611.52
  6. Step 6: Final answer
    x = 202,506.34

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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.