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Finding the Fourth Proportional to 460,039.92, 634,922.94 and 276,290.88

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Solution

The fourth proportional to 460,039.92, 634,922.94 and 276,290.88 is: 381,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,039.92 : 634,922.94 = 276,290.88 : x
  2. Step 2: Convert to fraction form
    460,039.92/634,922.94 = 276,290.88/x
  3. Step 3: Cross multiply
    460,039.92x = 634,922.94 × 276,290.88
  4. Step 4: Simplify right side
    460,039.92x = 175,423,417,824.79
  5. Step 5: Solve for x
    x = 175,423,417,824.79/460,039.92
  6. Step 6: Final answer
    x = 381,322.16

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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.