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Finding the Fourth Proportional to 495,854.76, 684,277.16 and 269,500.28

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Solution

The fourth proportional to 495,854.76, 684,277.16 and 269,500.28 is: 371,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,854.76 : 684,277.16 = 269,500.28 : x
  2. Step 2: Convert to fraction form
    495,854.76/684,277.16 = 269,500.28/x
  3. Step 3: Cross multiply
    495,854.76x = 684,277.16 × 269,500.28
  4. Step 4: Simplify right side
    495,854.76x = 184,412,886,217.61
  5. Step 5: Solve for x
    x = 184,412,886,217.61/495,854.76
  6. Step 6: Final answer
    x = 371,909.08

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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.