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Finding the Fourth Proportional to 834,641.66, 1,151,806.92 and 452,668.75

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Solution

The fourth proportional to 834,641.66, 1,151,806.92 and 452,668.75 is: 624,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,641.66 : 1,151,806.92 = 452,668.75 : x
  2. Step 2: Convert to fraction form
    834,641.66/1,151,806.92 = 452,668.75/x
  3. Step 3: Cross multiply
    834,641.66x = 1,151,806.92 × 452,668.75
  4. Step 4: Simplify right side
    834,641.66x = 521,386,998,717.75
  5. Step 5: Solve for x
    x = 521,386,998,717.75/834,641.66
  6. Step 6: Final answer
    x = 624,683.65

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Double scale
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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.