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Finding the Fourth Proportional to 669,792.83, 924,310.40 and 363,866.76

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Solution

The fourth proportional to 669,792.83, 924,310.40 and 363,866.76 is: 502,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,792.83 : 924,310.40 = 363,866.76 : x
  2. Step 2: Convert to fraction form
    669,792.83/924,310.40 = 363,866.76/x
  3. Step 3: Cross multiply
    669,792.83x = 924,310.40 × 363,866.76
  4. Step 4: Simplify right side
    669,792.83x = 336,325,828,662.97
  5. Step 5: Solve for x
    x = 336,325,828,662.97/669,792.83
  6. Step 6: Final answer
    x = 502,134.12

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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.