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Finding the Fourth Proportional to 669,794.83, 924,313.15 and 363,868.76

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Solution

The fourth proportional to 669,794.83, 924,313.15 and 363,868.76 is: 502,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,794.83 : 924,313.15 = 363,868.76 : x
  2. Step 2: Convert to fraction form
    669,794.83/924,313.15 = 363,868.76/x
  3. Step 3: Cross multiply
    669,794.83x = 924,313.15 × 363,868.76
  4. Step 4: Simplify right side
    669,794.83x = 336,328,679,742.19
  5. Step 5: Solve for x
    x = 336,328,679,742.19/669,794.83
  6. Step 6: Final answer
    x = 502,136.87

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Double scale
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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.