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Finding the Fourth Proportional to 480,686.64, 720,978.06 and 160,802.28

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Solution

The fourth proportional to 480,686.64, 720,978.06 and 160,802.28 is: 241,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,686.64 : 720,978.06 = 160,802.28 : x
  2. Step 2: Convert to fraction form
    480,686.64/720,978.06 = 160,802.28/x
  3. Step 3: Cross multiply
    480,686.64x = 720,978.06 × 160,802.28
  4. Step 4: Simplify right side
    480,686.64x = 115,934,915,877.98
  5. Step 5: Solve for x
    x = 115,934,915,877.98/480,686.64
  6. Step 6: Final answer
    x = 241,186.06

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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.