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Finding the Fourth Proportional to 621,833.96, 932,254.77 and 351,795.50

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Solution

The fourth proportional to 621,833.96, 932,254.77 and 351,795.50 is: 527,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,833.96 : 932,254.77 = 351,795.50 : x
  2. Step 2: Convert to fraction form
    621,833.96/932,254.77 = 351,795.50/x
  3. Step 3: Cross multiply
    621,833.96x = 932,254.77 × 351,795.50
  4. Step 4: Simplify right side
    621,833.96x = 327,963,036,358.53
  5. Step 5: Solve for x
    x = 327,963,036,358.53/621,833.96
  6. Step 6: Final answer
    x = 527,412.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.