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Finding the Fourth Proportional to 835,109.52, 1,152,750 and 495,577.76

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Solution

The fourth proportional to 835,109.52, 1,152,750 and 495,577.76 is: 684,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,109.52 : 1,152,750 = 495,577.76 : x
  2. Step 2: Convert to fraction form
    835,109.52/1,152,750 = 495,577.76/x
  3. Step 3: Cross multiply
    835,109.52x = 1,152,750 × 495,577.76
  4. Step 4: Simplify right side
    835,109.52x = 571,277,262,840
  5. Step 5: Solve for x
    x = 571,277,262,840/835,109.52
  6. Step 6: Final answer
    x = 684,074.66

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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.