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Finding the Fourth Proportional to 480,040.83, 720,058.65 and 195,730.29

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Solution

The fourth proportional to 480,040.83, 720,058.65 and 195,730.29 is: 293,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,040.83 : 720,058.65 = 195,730.29 : x
  2. Step 2: Convert to fraction form
    480,040.83/720,058.65 = 195,730.29/x
  3. Step 3: Cross multiply
    480,040.83x = 720,058.65 × 195,730.29
  4. Step 4: Simplify right side
    480,040.83x = 140,937,288,381.51
  5. Step 5: Solve for x
    x = 140,937,288,381.51/480,040.83
  6. Step 6: Final answer
    x = 293,594.38

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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.