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Finding the Fourth Proportional to 370,788.69, 555,547.34 and 248,980.89

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Solution

The fourth proportional to 370,788.69, 555,547.34 and 248,980.89 is: 373,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,788.69 : 555,547.34 = 248,980.89 : x
  2. Step 2: Convert to fraction form
    370,788.69/555,547.34 = 248,980.89/x
  3. Step 3: Cross multiply
    370,788.69x = 555,547.34 × 248,980.89
  4. Step 4: Simplify right side
    370,788.69x = 138,320,673,721.52
  5. Step 5: Solve for x
    x = 138,320,673,721.52/370,788.69
  6. Step 6: Final answer
    x = 373,044.48

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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.