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Finding the Fourth Proportional to 669,702.38, 924,205.95 and 363,778.67

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Solution

The fourth proportional to 669,702.38, 924,205.95 and 363,778.67 is: 502,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,702.38 : 924,205.95 = 363,778.67 : x
  2. Step 2: Convert to fraction form
    669,702.38/924,205.95 = 363,778.67/x
  3. Step 3: Cross multiply
    669,702.38x = 924,205.95 × 363,778.67
  4. Step 4: Simplify right side
    669,702.38x = 336,206,406,676.06
  5. Step 5: Solve for x
    x = 336,206,406,676.06/669,702.38
  6. Step 6: Final answer
    x = 502,023.61

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.