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Finding the Fourth Proportional to 669,730.21, 924,237.52 and 363,812.33

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Solution

The fourth proportional to 669,730.21, 924,237.52 and 363,812.33 is: 502,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,730.21 : 924,237.52 = 363,812.33 : x
  2. Step 2: Convert to fraction form
    669,730.21/924,237.52 = 363,812.33/x
  3. Step 3: Cross multiply
    669,730.21x = 924,237.52 × 363,812.33
  4. Step 4: Simplify right side
    669,730.21x = 336,249,007,025.69
  5. Step 5: Solve for x
    x = 336,249,007,025.69/669,730.21
  6. Step 6: Final answer
    x = 502,066.36

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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.