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Finding the Fourth Proportional to 587,340.80, 881,011.20 and 166,630.40

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Solution

The fourth proportional to 587,340.80, 881,011.20 and 166,630.40 is: 249,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,340.80 : 881,011.20 = 166,630.40 : x
  2. Step 2: Convert to fraction form
    587,340.80/881,011.20 = 166,630.40/x
  3. Step 3: Cross multiply
    587,340.80x = 881,011.20 × 166,630.40
  4. Step 4: Simplify right side
    587,340.80x = 146,803,248,660.48
  5. Step 5: Solve for x
    x = 146,803,248,660.48/587,340.80
  6. Step 6: Final answer
    x = 249,945.60

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Similar ratio
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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.