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Finding the Fourth Proportional to 415,602.90, 623,404.35 and 363,114.90

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Solution

The fourth proportional to 415,602.90, 623,404.35 and 363,114.90 is: 544,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,602.90 : 623,404.35 = 363,114.90 : x
  2. Step 2: Convert to fraction form
    415,602.90/623,404.35 = 363,114.90/x
  3. Step 3: Cross multiply
    415,602.90x = 623,404.35 × 363,114.90
  4. Step 4: Simplify right side
    415,602.90x = 226,367,408,209.82
  5. Step 5: Solve for x
    x = 226,367,408,209.82/415,602.90
  6. Step 6: Final answer
    x = 544,672.35

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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.