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Finding the Fourth Proportional to 602,170.93, 831,032.67 and 347,538.52

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Solution

The fourth proportional to 602,170.93, 831,032.67 and 347,538.52 is: 479,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,170.93 : 831,032.67 = 347,538.52 : x
  2. Step 2: Convert to fraction form
    602,170.93/831,032.67 = 347,538.52/x
  3. Step 3: Cross multiply
    602,170.93x = 831,032.67 × 347,538.52
  4. Step 4: Simplify right side
    602,170.93x = 288,815,864,203.45
  5. Step 5: Solve for x
    x = 288,815,864,203.45/602,170.93
  6. Step 6: Final answer
    x = 479,624.39

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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.