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Finding the Fourth Proportional to 533,679.56, 736,471.80 and 291,959.36

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Solution

The fourth proportional to 533,679.56, 736,471.80 and 291,959.36 is: 402,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,679.56 : 736,471.80 = 291,959.36 : x
  2. Step 2: Convert to fraction form
    533,679.56/736,471.80 = 291,959.36/x
  3. Step 3: Cross multiply
    533,679.56x = 736,471.80 × 291,959.36
  4. Step 4: Simplify right side
    533,679.56x = 215,019,835,386.05
  5. Step 5: Solve for x
    x = 215,019,835,386.05/533,679.56
  6. Step 6: Final answer
    x = 402,900.64

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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.