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Finding the Fourth Proportional to 669,730.71, 924,238.21 and 363,812.84

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Solution

The fourth proportional to 669,730.71, 924,238.21 and 363,812.84 is: 502,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,730.71 : 924,238.21 = 363,812.84 : x
  2. Step 2: Convert to fraction form
    669,730.71/924,238.21 = 363,812.84/x
  3. Step 3: Cross multiply
    669,730.71x = 924,238.21 × 363,812.84
  4. Step 4: Simplify right side
    669,730.71x = 336,249,723,395.43
  5. Step 5: Solve for x
    x = 336,249,723,395.43/669,730.71
  6. Step 6: Final answer
    x = 502,067.05

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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.