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Finding the Fourth Proportional to 418,782.01, 626,587.81 and 248,095.35

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Solution

The fourth proportional to 418,782.01, 626,587.81 and 248,095.35 is: 371,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,782.01 : 626,587.81 = 248,095.35 : x
  2. Step 2: Convert to fraction form
    418,782.01/626,587.81 = 248,095.35/x
  3. Step 3: Cross multiply
    418,782.01x = 626,587.81 × 248,095.35
  4. Step 4: Simplify right side
    418,782.01x = 155,453,524,308.06
  5. Step 5: Solve for x
    x = 155,453,524,308.06/418,782.01
  6. Step 6: Final answer
    x = 371,203.92

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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.