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Finding the Fourth Proportional to 480,430.32, 662,982.08 and 265,564.88

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Solution

The fourth proportional to 480,430.32, 662,982.08 and 265,564.88 is: 366,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,430.32 : 662,982.08 = 265,564.88 : x
  2. Step 2: Convert to fraction form
    480,430.32/662,982.08 = 265,564.88/x
  3. Step 3: Cross multiply
    480,430.32x = 662,982.08 × 265,564.88
  4. Step 4: Simplify right side
    480,430.32x = 176,064,756,517.35
  5. Step 5: Solve for x
    x = 176,064,756,517.35/480,430.32
  6. Step 6: Final answer
    x = 366,473.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.