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Finding the Fourth Proportional to 480,683, 663,331.56 and 265,824.92

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Solution

The fourth proportional to 480,683, 663,331.56 and 265,824.92 is: 366,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,683 : 663,331.56 = 265,824.92 : x
  2. Step 2: Convert to fraction form
    480,683/663,331.56 = 265,824.92/x
  3. Step 3: Cross multiply
    480,683x = 663,331.56 × 265,824.92
  4. Step 4: Simplify right side
    480,683x = 176,330,058,870.48
  5. Step 5: Solve for x
    x = 176,330,058,870.48/480,683
  6. Step 6: Final answer
    x = 366,832.32

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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.