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Finding the Fourth Proportional to 369,626.34, 554,499.30 and 144,864.84

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Solution

The fourth proportional to 369,626.34, 554,499.30 and 144,864.84 is: 217,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,626.34 : 554,499.30 = 144,864.84 : x
  2. Step 2: Convert to fraction form
    369,626.34/554,499.30 = 144,864.84/x
  3. Step 3: Cross multiply
    369,626.34x = 554,499.30 × 144,864.84
  4. Step 4: Simplify right side
    369,626.34x = 80,327,452,374.61
  5. Step 5: Solve for x
    x = 80,327,452,374.61/369,626.34
  6. Step 6: Final answer
    x = 217,320.69

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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.