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Finding the Fourth Proportional to 350,139.84, 482,518.80 and 254,495.04

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Solution

The fourth proportional to 350,139.84, 482,518.80 and 254,495.04 is: 350,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,139.84 : 482,518.80 = 254,495.04 : x
  2. Step 2: Convert to fraction form
    350,139.84/482,518.80 = 254,495.04/x
  3. Step 3: Cross multiply
    350,139.84x = 482,518.80 × 254,495.04
  4. Step 4: Simplify right side
    350,139.84x = 122,798,641,306.75
  5. Step 5: Solve for x
    x = 122,798,641,306.75/350,139.84
  6. Step 6: Final answer
    x = 350,713.14

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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.