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Finding the Fourth Proportional to 317,547.93, 476,221.51 and 104,280.69

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Solution

The fourth proportional to 317,547.93, 476,221.51 and 104,280.69 is: 156,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,547.93 : 476,221.51 = 104,280.69 : x
  2. Step 2: Convert to fraction form
    317,547.93/476,221.51 = 104,280.69/x
  3. Step 3: Cross multiply
    317,547.93x = 476,221.51 × 104,280.69
  4. Step 4: Simplify right side
    317,547.93x = 49,660,707,655.64
  5. Step 5: Solve for x
    x = 49,660,707,655.64/317,547.93
  6. Step 6: Final answer
    x = 156,388.07

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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.