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Finding the Fourth Proportional to 480,776.16, 662,734.80 and 359,734.08

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Solution

The fourth proportional to 480,776.16, 662,734.80 and 359,734.08 is: 495,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,776.16 : 662,734.80 = 359,734.08 : x
  2. Step 2: Convert to fraction form
    480,776.16/662,734.80 = 359,734.08/x
  3. Step 3: Cross multiply
    480,776.16x = 662,734.80 × 359,734.08
  4. Step 4: Simplify right side
    480,776.16x = 238,408,293,561.98
  5. Step 5: Solve for x
    x = 238,408,293,561.98/480,776.16
  6. Step 6: Final answer
    x = 495,882.10

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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.