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Finding the Fourth Proportional to 614,330.01, 847,824.71 and 342,485.91

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Solution

The fourth proportional to 614,330.01, 847,824.71 and 342,485.91 is: 472,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,330.01 : 847,824.71 = 342,485.91 : x
  2. Step 2: Convert to fraction form
    614,330.01/847,824.71 = 342,485.91/x
  3. Step 3: Cross multiply
    614,330.01x = 847,824.71 × 342,485.91
  4. Step 4: Simplify right side
    614,330.01x = 290,368,015,612.41
  5. Step 5: Solve for x
    x = 290,368,015,612.41/614,330.01
  6. Step 6: Final answer
    x = 472,658.04

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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.