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Finding the Fourth Proportional to 669,283.83, 923,605.16 and 363,353.58

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Solution

The fourth proportional to 669,283.83, 923,605.16 and 363,353.58 is: 501,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,283.83 : 923,605.16 = 363,353.58 : x
  2. Step 2: Convert to fraction form
    669,283.83/923,605.16 = 363,353.58/x
  3. Step 3: Cross multiply
    669,283.83x = 923,605.16 × 363,353.58
  4. Step 4: Simplify right side
    669,283.83x = 335,595,239,575.71
  5. Step 5: Solve for x
    x = 335,595,239,575.71/669,283.83
  6. Step 6: Final answer
    x = 501,424.40

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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.