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Finding the Fourth Proportional to 575,738.34, 794,516.60 and 317,631.34

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Solution

The fourth proportional to 575,738.34, 794,516.60 and 317,631.34 is: 438,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,738.34 : 794,516.60 = 317,631.34 : x
  2. Step 2: Convert to fraction form
    575,738.34/794,516.60 = 317,631.34/x
  3. Step 3: Cross multiply
    575,738.34x = 794,516.60 × 317,631.34
  4. Step 4: Simplify right side
    575,738.34x = 252,363,366,749.50
  5. Step 5: Solve for x
    x = 252,363,366,749.50/575,738.34
  6. Step 6: Final answer
    x = 438,329.97

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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.