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Finding the Fourth Proportional to 604,428.64, 834,019.02 and 349,730.62

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Solution

The fourth proportional to 604,428.64, 834,019.02 and 349,730.62 is: 482,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,428.64 : 834,019.02 = 349,730.62 : x
  2. Step 2: Convert to fraction form
    604,428.64/834,019.02 = 349,730.62/x
  3. Step 3: Cross multiply
    604,428.64x = 834,019.02 × 349,730.62
  4. Step 4: Simplify right side
    604,428.64x = 291,681,988,956.39
  5. Step 5: Solve for x
    x = 291,681,988,956.39/604,428.64
  6. Step 6: Final answer
    x = 482,574.73

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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.