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Finding the Fourth Proportional to 480,472.92, 663,054.73 and 262,686.20

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Solution

The fourth proportional to 480,472.92, 663,054.73 and 262,686.20 is: 362,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,472.92 : 663,054.73 = 262,686.20 : x
  2. Step 2: Convert to fraction form
    480,472.92/663,054.73 = 262,686.20/x
  3. Step 3: Cross multiply
    480,472.92x = 663,054.73 × 262,686.20
  4. Step 4: Simplify right side
    480,472.92x = 174,175,323,443.74
  5. Step 5: Solve for x
    x = 174,175,323,443.74/480,472.92
  6. Step 6: Final answer
    x = 362,508.10

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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.