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Finding the Fourth Proportional to 467,139.20, 700,271.40 and 365,881.10

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Solution

The fourth proportional to 467,139.20, 700,271.40 and 365,881.10 is: 548,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,139.20 : 700,271.40 = 365,881.10 : x
  2. Step 2: Convert to fraction form
    467,139.20/700,271.40 = 365,881.10/x
  3. Step 3: Cross multiply
    467,139.20x = 700,271.40 × 365,881.10
  4. Step 4: Simplify right side
    467,139.20x = 256,216,070,130.54
  5. Step 5: Solve for x
    x = 256,216,070,130.54/467,139.20
  6. Step 6: Final answer
    x = 548,479.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.