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Finding the Fourth Proportional to 354,528.02, 489,250.17 and 193,386.53

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Solution

The fourth proportional to 354,528.02, 489,250.17 and 193,386.53 is: 266,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,528.02 : 489,250.17 = 193,386.53 : x
  2. Step 2: Convert to fraction form
    354,528.02/489,250.17 = 193,386.53/x
  3. Step 3: Cross multiply
    354,528.02x = 489,250.17 × 193,386.53
  4. Step 4: Simplify right side
    354,528.02x = 94,614,390,231.96
  5. Step 5: Solve for x
    x = 94,614,390,231.96/354,528.02
  6. Step 6: Final answer
    x = 266,874.23

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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.