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Finding the Fourth Proportional to 575,743.35, 794,523.49 and 317,636.34

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Solution

The fourth proportional to 575,743.35, 794,523.49 and 317,636.34 is: 438,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,743.35 : 794,523.49 = 317,636.34 : x
  2. Step 2: Convert to fraction form
    575,743.35/794,523.49 = 317,636.34/x
  3. Step 3: Cross multiply
    575,743.35x = 794,523.49 × 317,636.34
  4. Step 4: Simplify right side
    575,743.35x = 252,369,533,407.63
  5. Step 5: Solve for x
    x = 252,369,533,407.63/575,743.35
  6. Step 6: Final answer
    x = 438,336.86

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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.