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Finding the Fourth Proportional to 517,450.73, 714,080.91 and 291,096.23

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Solution

The fourth proportional to 517,450.73, 714,080.91 and 291,096.23 is: 401,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,450.73 : 714,080.91 = 291,096.23 : x
  2. Step 2: Convert to fraction form
    517,450.73/714,080.91 = 291,096.23/x
  3. Step 3: Cross multiply
    517,450.73x = 714,080.91 × 291,096.23
  4. Step 4: Simplify right side
    517,450.73x = 207,866,258,337.18
  5. Step 5: Solve for x
    x = 207,866,258,337.18/517,450.73
  6. Step 6: Final answer
    x = 401,712.18

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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.