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Finding the Fourth Proportional to 584,587.20, 876,880.80 and 465,614.40

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Solution

The fourth proportional to 584,587.20, 876,880.80 and 465,614.40 is: 698,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,587.20 : 876,880.80 = 465,614.40 : x
  2. Step 2: Convert to fraction form
    584,587.20/876,880.80 = 465,614.40/x
  3. Step 3: Cross multiply
    584,587.20x = 876,880.80 × 465,614.40
  4. Step 4: Simplify right side
    584,587.20x = 408,288,327,563.52
  5. Step 5: Solve for x
    x = 408,288,327,563.52/584,587.20
  6. Step 6: Final answer
    x = 698,421.60

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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.