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Finding the Fourth Proportional to 575,432.01, 794,143.44 and 317,359.43

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Solution

The fourth proportional to 575,432.01, 794,143.44 and 317,359.43 is: 437,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,432.01 : 794,143.44 = 317,359.43 : x
  2. Step 2: Convert to fraction form
    575,432.01/794,143.44 = 317,359.43/x
  3. Step 3: Cross multiply
    575,432.01x = 794,143.44 × 317,359.43
  4. Step 4: Simplify right side
    575,432.01x = 252,028,908,463.96
  5. Step 5: Solve for x
    x = 252,028,908,463.96/575,432.01
  6. Step 6: Final answer
    x = 437,982.08

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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.