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Finding the Fourth Proportional to 359,784.63, 539,669.37 and 119,915.88

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Solution

The fourth proportional to 359,784.63, 539,669.37 and 119,915.88 is: 179,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,784.63 : 539,669.37 = 119,915.88 : x
  2. Step 2: Convert to fraction form
    359,784.63/539,669.37 = 119,915.88/x
  3. Step 3: Cross multiply
    359,784.63x = 539,669.37 × 119,915.88
  4. Step 4: Simplify right side
    359,784.63x = 64,714,927,412.60
  5. Step 5: Solve for x
    x = 64,714,927,412.60/359,784.63
  6. Step 6: Final answer
    x = 179,871.30

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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.