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Finding the Fourth Proportional to 599,421.60, 899,017.20 and 178,711.20

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Solution

The fourth proportional to 599,421.60, 899,017.20 and 178,711.20 is: 268,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,421.60 : 899,017.20 = 178,711.20 : x
  2. Step 2: Convert to fraction form
    599,421.60/899,017.20 = 178,711.20/x
  3. Step 3: Cross multiply
    599,421.60x = 899,017.20 × 178,711.20
  4. Step 4: Simplify right side
    599,421.60x = 160,664,442,632.64
  5. Step 5: Solve for x
    x = 160,664,442,632.64/599,421.60
  6. Step 6: Final answer
    x = 268,032.45

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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.