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Finding the Fourth Proportional to 532,452.90, 798,679.35 and 488,907.30

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Solution

The fourth proportional to 532,452.90, 798,679.35 and 488,907.30 is: 733,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,452.90 : 798,679.35 = 488,907.30 : x
  2. Step 2: Convert to fraction form
    532,452.90/798,679.35 = 488,907.30/x
  3. Step 3: Cross multiply
    532,452.90x = 798,679.35 × 488,907.30
  4. Step 4: Simplify right side
    532,452.90x = 390,480,164,574.26
  5. Step 5: Solve for x
    x = 390,480,164,574.26/532,452.90
  6. Step 6: Final answer
    x = 733,360.95

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Double scale
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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.