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Finding the Fourth Proportional to 575,742.35, 794,522.12 and 317,635.34

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Solution

The fourth proportional to 575,742.35, 794,522.12 and 317,635.34 is: 438,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,742.35 : 794,522.12 = 317,635.34 : x
  2. Step 2: Convert to fraction form
    575,742.35/794,522.12 = 317,635.34/x
  3. Step 3: Cross multiply
    575,742.35x = 794,522.12 × 317,635.34
  4. Step 4: Simplify right side
    575,742.35x = 252,368,298,162.93
  5. Step 5: Solve for x
    x = 252,368,298,162.93/575,742.35
  6. Step 6: Final answer
    x = 438,335.48

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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.