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Finding the Fourth Proportional to 584,400.12, 876,719.28 and 264,398.28

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Solution

The fourth proportional to 584,400.12, 876,719.28 and 264,398.28 is: 396,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,400.12 : 876,719.28 = 264,398.28 : x
  2. Step 2: Convert to fraction form
    584,400.12/876,719.28 = 264,398.28/x
  3. Step 3: Cross multiply
    584,400.12x = 876,719.28 × 264,398.28
  4. Step 4: Simplify right side
    584,400.12x = 231,803,069,674.84
  5. Step 5: Solve for x
    x = 231,803,069,674.84/584,400.12
  6. Step 6: Final answer
    x = 396,651.30

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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.