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Finding the Fourth Proportional to 354,683.80, 532,026.31 and 284,055.65

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Solution

The fourth proportional to 354,683.80, 532,026.31 and 284,055.65 is: 426,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,683.80 : 532,026.31 = 284,055.65 : x
  2. Step 2: Convert to fraction form
    354,683.80/532,026.31 = 284,055.65/x
  3. Step 3: Cross multiply
    354,683.80x = 532,026.31 × 284,055.65
  4. Step 4: Simplify right side
    354,683.80x = 151,125,077,263.95
  5. Step 5: Solve for x
    x = 151,125,077,263.95/354,683.80
  6. Step 6: Final answer
    x = 426,083.96

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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.