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Finding the Fourth Proportional to 602,181.54, 830,950.65 and 347,614.74

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Solution

The fourth proportional to 602,181.54, 830,950.65 and 347,614.74 is: 479,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,181.54 : 830,950.65 = 347,614.74 : x
  2. Step 2: Convert to fraction form
    602,181.54/830,950.65 = 347,614.74/x
  3. Step 3: Cross multiply
    602,181.54x = 830,950.65 × 347,614.74
  4. Step 4: Simplify right side
    602,181.54x = 288,850,694,152.58
  5. Step 5: Solve for x
    x = 288,850,694,152.58/602,181.54
  6. Step 6: Final answer
    x = 479,673.78

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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.