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Finding the Fourth Proportional to 875,345.74, 1,313,019.15 and 276,368.02

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Solution

The fourth proportional to 875,345.74, 1,313,019.15 and 276,368.02 is: 414,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,345.74 : 1,313,019.15 = 276,368.02 : x
  2. Step 2: Convert to fraction form
    875,345.74/1,313,019.15 = 276,368.02/x
  3. Step 3: Cross multiply
    875,345.74x = 1,313,019.15 × 276,368.02
  4. Step 4: Simplify right side
    875,345.74x = 362,876,498,388.66
  5. Step 5: Solve for x
    x = 362,876,498,388.66/875,345.74
  6. Step 6: Final answer
    x = 414,552.20

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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.