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Finding the Fourth Proportional to 366,384.07, 550,418.10 and 260,032.08

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Solution

The fourth proportional to 366,384.07, 550,418.10 and 260,032.08 is: 390,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,384.07 : 550,418.10 = 260,032.08 : x
  2. Step 2: Convert to fraction form
    366,384.07/550,418.10 = 260,032.08/x
  3. Step 3: Cross multiply
    366,384.07x = 550,418.10 × 260,032.08
  4. Step 4: Simplify right side
    366,384.07x = 143,126,363,412.65
  5. Step 5: Solve for x
    x = 143,126,363,412.65/366,384.07
  6. Step 6: Final answer
    x = 390,645.71

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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.