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Finding the Fourth Proportional to 369,097.40, 553,617.30 and 144,414.20

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Solution

The fourth proportional to 369,097.40, 553,617.30 and 144,414.20 is: 216,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,097.40 : 553,617.30 = 144,414.20 : x
  2. Step 2: Convert to fraction form
    369,097.40/553,617.30 = 144,414.20/x
  3. Step 3: Cross multiply
    369,097.40x = 553,617.30 × 144,414.20
  4. Step 4: Simplify right side
    369,097.40x = 79,950,199,485.66
  5. Step 5: Solve for x
    x = 79,950,199,485.66/369,097.40
  6. Step 6: Final answer
    x = 216,610.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.