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Finding the Fourth Proportional to 834,957.82, 1,152,350.45 and 467,574.85

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Solution

The fourth proportional to 834,957.82, 1,152,350.45 and 467,574.85 is: 645,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,957.82 : 1,152,350.45 = 467,574.85 : x
  2. Step 2: Convert to fraction form
    834,957.82/1,152,350.45 = 467,574.85/x
  3. Step 3: Cross multiply
    834,957.82x = 1,152,350.45 × 467,574.85
  4. Step 4: Simplify right side
    834,957.82x = 538,810,088,806.18
  5. Step 5: Solve for x
    x = 538,810,088,806.18/834,957.82
  6. Step 6: Final answer
    x = 645,314.14

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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.