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Finding the Fourth Proportional to 460,878.34, 636,050 and 254,187.17

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Solution

The fourth proportional to 460,878.34, 636,050 and 254,187.17 is: 350,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,878.34 : 636,050 = 254,187.17 : x
  2. Step 2: Convert to fraction form
    460,878.34/636,050 = 254,187.17/x
  3. Step 3: Cross multiply
    460,878.34x = 636,050 × 254,187.17
  4. Step 4: Simplify right side
    460,878.34x = 161,675,749,478.50
  5. Step 5: Solve for x
    x = 161,675,749,478.50/460,878.34
  6. Step 6: Final answer
    x = 350,799.19

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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.