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Finding the Fourth Proportional to 608,465.80, 913,217.10 and 272,024.20

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Solution

The fourth proportional to 608,465.80, 913,217.10 and 272,024.20 is: 408,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,465.80 : 913,217.10 = 272,024.20 : x
  2. Step 2: Convert to fraction form
    608,465.80/913,217.10 = 272,024.20/x
  3. Step 3: Cross multiply
    608,465.80x = 913,217.10 × 272,024.20
  4. Step 4: Simplify right side
    608,465.80x = 248,417,151,053.82
  5. Step 5: Solve for x
    x = 248,417,151,053.82/608,465.80
  6. Step 6: Final answer
    x = 408,268.06

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1.5x scale

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.