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Finding the Fourth Proportional to 345,624.84, 518,440.86 and 96,306.84

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Solution

The fourth proportional to 345,624.84, 518,440.86 and 96,306.84 is: 144,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,624.84 : 518,440.86 = 96,306.84 : x
  2. Step 2: Convert to fraction form
    345,624.84/518,440.86 = 96,306.84/x
  3. Step 3: Cross multiply
    345,624.84x = 518,440.86 × 96,306.84
  4. Step 4: Simplify right side
    345,624.84x = 49,929,400,953.48
  5. Step 5: Solve for x
    x = 49,929,400,953.48/345,624.84
  6. Step 6: Final answer
    x = 144,461.26

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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.