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Finding the Fourth Proportional to 532,454.40, 798,681.60 and 488,908.80

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Solution

The fourth proportional to 532,454.40, 798,681.60 and 488,908.80 is: 733,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,454.40 : 798,681.60 = 488,908.80 : x
  2. Step 2: Convert to fraction form
    532,454.40/798,681.60 = 488,908.80/x
  3. Step 3: Cross multiply
    532,454.40x = 798,681.60 × 488,908.80
  4. Step 4: Simplify right side
    532,454.40x = 390,482,462,638.08
  5. Step 5: Solve for x
    x = 390,482,462,638.08/532,454.40
  6. Step 6: Final answer
    x = 733,363.20

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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.