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Finding the Fourth Proportional to 602,314.22, 831,178.64 and 344,174.79

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Solution

The fourth proportional to 602,314.22, 831,178.64 and 344,174.79 is: 474,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,314.22 : 831,178.64 = 344,174.79 : x
  2. Step 2: Convert to fraction form
    602,314.22/831,178.64 = 344,174.79/x
  3. Step 3: Cross multiply
    602,314.22x = 831,178.64 × 344,174.79
  4. Step 4: Simplify right side
    602,314.22x = 286,070,729,036.69
  5. Step 5: Solve for x
    x = 286,070,729,036.69/602,314.22
  6. Step 6: Final answer
    x = 474,952.64

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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.