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Finding the Fourth Proportional to 313,652.98, 432,827.01 and 177,684.15

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Solution

The fourth proportional to 313,652.98, 432,827.01 and 177,684.15 is: 245,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,652.98 : 432,827.01 = 177,684.15 : x
  2. Step 2: Convert to fraction form
    313,652.98/432,827.01 = 177,684.15/x
  3. Step 3: Cross multiply
    313,652.98x = 432,827.01 × 177,684.15
  4. Step 4: Simplify right side
    313,652.98x = 76,906,499,368.89
  5. Step 5: Solve for x
    x = 76,906,499,368.89/313,652.98
  6. Step 6: Final answer
    x = 245,196.14

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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.