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Finding the Fourth Proportional to 473,364.95, 653,155.70 and 269,403.75

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Solution

The fourth proportional to 473,364.95, 653,155.70 and 269,403.75 is: 371,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,364.95 : 653,155.70 = 269,403.75 : x
  2. Step 2: Convert to fraction form
    473,364.95/653,155.70 = 269,403.75/x
  3. Step 3: Cross multiply
    473,364.95x = 653,155.70 × 269,403.75
  4. Step 4: Simplify right side
    473,364.95x = 175,962,593,566.86
  5. Step 5: Solve for x
    x = 175,962,593,566.86/473,364.95
  6. Step 6: Final answer
    x = 371,727.13

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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.