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Finding the Fourth Proportional to 651,126.76, 897,870.18 and 481,713.64

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Solution

The fourth proportional to 651,126.76, 897,870.18 and 481,713.64 is: 664,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,126.76 : 897,870.18 = 481,713.64 : x
  2. Step 2: Convert to fraction form
    651,126.76/897,870.18 = 481,713.64/x
  3. Step 3: Cross multiply
    651,126.76x = 897,870.18 × 481,713.64
  4. Step 4: Simplify right side
    651,126.76x = 432,516,312,655.26
  5. Step 5: Solve for x
    x = 432,516,312,655.26/651,126.76
  6. Step 6: Final answer
    x = 664,258.24

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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.