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Finding the Fourth Proportional to 543,496.71, 811,585.16 and 443,854.56

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Solution

The fourth proportional to 543,496.71, 811,585.16 and 443,854.56 is: 662,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,496.71 : 811,585.16 = 443,854.56 : x
  2. Step 2: Convert to fraction form
    543,496.71/811,585.16 = 443,854.56/x
  3. Step 3: Cross multiply
    543,496.71x = 811,585.16 × 443,854.56
  4. Step 4: Simplify right side
    543,496.71x = 360,225,775,203.97
  5. Step 5: Solve for x
    x = 360,225,775,203.97/543,496.71
  6. Step 6: Final answer
    x = 662,792.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.