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Finding the Fourth Proportional to 575,776.14, 794,572.50 and 321,143.82

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Solution

The fourth proportional to 575,776.14, 794,572.50 and 321,143.82 is: 443,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,776.14 : 794,572.50 = 321,143.82 : x
  2. Step 2: Convert to fraction form
    575,776.14/794,572.50 = 321,143.82/x
  3. Step 3: Cross multiply
    575,776.14x = 794,572.50 × 321,143.82
  4. Step 4: Simplify right side
    575,776.14x = 255,172,047,916.95
  5. Step 5: Solve for x
    x = 255,172,047,916.95/575,776.14
  6. Step 6: Final answer
    x = 443,179.27

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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.