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Finding the Fourth Proportional to 480,710.76, 663,307.16 and 276,722.27

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Solution

The fourth proportional to 480,710.76, 663,307.16 and 276,722.27 is: 381,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,710.76 : 663,307.16 = 276,722.27 : x
  2. Step 2: Convert to fraction form
    480,710.76/663,307.16 = 276,722.27/x
  3. Step 3: Cross multiply
    480,710.76x = 663,307.16 × 276,722.27
  4. Step 4: Simplify right side
    480,710.76x = 183,551,860,500.72
  5. Step 5: Solve for x
    x = 183,551,860,500.72/480,710.76
  6. Step 6: Final answer
    x = 381,834.31

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1.5x scale

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.