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Finding the Fourth Proportional to 572,870.14, 790,562.97 and 314,767.96

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Solution

The fourth proportional to 572,870.14, 790,562.97 and 314,767.96 is: 434,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,870.14 : 790,562.97 = 314,767.96 : x
  2. Step 2: Convert to fraction form
    572,870.14/790,562.97 = 314,767.96/x
  3. Step 3: Cross multiply
    572,870.14x = 790,562.97 × 314,767.96
  4. Step 4: Simplify right side
    572,870.14x = 248,843,891,342.03
  5. Step 5: Solve for x
    x = 248,843,891,342.03/572,870.14
  6. Step 6: Final answer
    x = 434,380.98

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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.