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Finding the Fourth Proportional to 461,567.70, 692,351.55 and 439,794.90

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Solution

The fourth proportional to 461,567.70, 692,351.55 and 439,794.90 is: 659,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,567.70 : 692,351.55 = 439,794.90 : x
  2. Step 2: Convert to fraction form
    461,567.70/692,351.55 = 439,794.90/x
  3. Step 3: Cross multiply
    461,567.70x = 692,351.55 × 439,794.90
  4. Step 4: Simplify right side
    461,567.70x = 304,492,680,697.10
  5. Step 5: Solve for x
    x = 304,492,680,697.10/461,567.70
  6. Step 6: Final answer
    x = 659,692.35

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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.