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Finding the Fourth Proportional to 480,710.72, 663,307.10 and 276,722.23

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Solution

The fourth proportional to 480,710.72, 663,307.10 and 276,722.23 is: 381,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,710.72 : 663,307.10 = 276,722.23 : x
  2. Step 2: Convert to fraction form
    480,710.72/663,307.10 = 276,722.23/x
  3. Step 3: Cross multiply
    480,710.72x = 663,307.10 × 276,722.23
  4. Step 4: Simplify right side
    480,710.72x = 183,551,818,920.37
  5. Step 5: Solve for x
    x = 183,551,818,920.37/480,710.72
  6. Step 6: Final answer
    x = 381,834.25

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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.