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Finding the Fourth Proportional to 382,330.59, 527,624.78 and 210,237.65

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Solution

The fourth proportional to 382,330.59, 527,624.78 and 210,237.65 is: 290,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,330.59 : 527,624.78 = 210,237.65 : x
  2. Step 2: Convert to fraction form
    382,330.59/527,624.78 = 210,237.65/x
  3. Step 3: Cross multiply
    382,330.59x = 527,624.78 × 210,237.65
  4. Step 4: Simplify right side
    382,330.59x = 110,926,590,139.66
  5. Step 5: Solve for x
    x = 110,926,590,139.66/382,330.59
  6. Step 6: Final answer
    x = 290,132.66

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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.