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Finding the Fourth Proportional to 354,701.86, 489,484.53 and 193,559.65

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Solution

The fourth proportional to 354,701.86, 489,484.53 and 193,559.65 is: 267,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,701.86 : 489,484.53 = 193,559.65 : x
  2. Step 2: Convert to fraction form
    354,701.86/489,484.53 = 193,559.65/x
  3. Step 3: Cross multiply
    354,701.86x = 489,484.53 × 193,559.65
  4. Step 4: Simplify right side
    354,701.86x = 94,744,454,307.21
  5. Step 5: Solve for x
    x = 94,744,454,307.21/354,701.86
  6. Step 6: Final answer
    x = 267,110.11

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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.