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Finding the Fourth Proportional to 602,302.32, 831,161.88 and 347,695.92

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Solution

The fourth proportional to 602,302.32, 831,161.88 and 347,695.92 is: 479,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,302.32 : 831,161.88 = 347,695.92 : x
  2. Step 2: Convert to fraction form
    602,302.32/831,161.88 = 347,695.92/x
  3. Step 3: Cross multiply
    602,302.32x = 831,161.88 × 347,695.92
  4. Step 4: Simplify right side
    602,302.32x = 288,991,594,535.53
  5. Step 5: Solve for x
    x = 288,991,594,535.53/602,302.32
  6. Step 6: Final answer
    x = 479,811.52

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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.