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Finding the Fourth Proportional to 480,587.31, 663,224.49 and 262,808.82

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Solution

The fourth proportional to 480,587.31, 663,224.49 and 262,808.82 is: 362,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,587.31 : 663,224.49 = 262,808.82 : x
  2. Step 2: Convert to fraction form
    480,587.31/663,224.49 = 262,808.82/x
  3. Step 3: Cross multiply
    480,587.31x = 663,224.49 × 262,808.82
  4. Step 4: Simplify right side
    480,587.31x = 174,301,245,612.00
  5. Step 5: Solve for x
    x = 174,301,245,612.00/480,587.31
  6. Step 6: Final answer
    x = 362,683.83

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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.