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Finding the Fourth Proportional to 369,624.34, 554,496.30 and 144,862.84

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Solution

The fourth proportional to 369,624.34, 554,496.30 and 144,862.84 is: 217,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,624.34 : 554,496.30 = 144,862.84 : x
  2. Step 2: Convert to fraction form
    369,624.34/554,496.30 = 144,862.84/x
  3. Step 3: Cross multiply
    369,624.34x = 554,496.30 × 144,862.84
  4. Step 4: Simplify right side
    369,624.34x = 80,325,908,787.49
  5. Step 5: Solve for x
    x = 80,325,908,787.49/369,624.34
  6. Step 6: Final answer
    x = 217,317.69

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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.