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Finding the Fourth Proportional to 575,609.83, 794,560.43 and 432,784.76

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Solution

The fourth proportional to 575,609.83, 794,560.43 and 432,784.76 is: 597,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,609.83 : 794,560.43 = 432,784.76 : x
  2. Step 2: Convert to fraction form
    575,609.83/794,560.43 = 432,784.76/x
  3. Step 3: Cross multiply
    575,609.83x = 794,560.43 × 432,784.76
  4. Step 4: Simplify right side
    575,609.83x = 343,873,645,003.05
  5. Step 5: Solve for x
    x = 343,873,645,003.05/575,609.83
  6. Step 6: Final answer
    x = 597,407.53

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Double scale
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Similar ratio
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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.