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Finding the Fourth Proportional to 575,637.52, 794,384.96 and 317,524.40

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Solution

The fourth proportional to 575,637.52, 794,384.96 and 317,524.40 is: 438,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,637.52 : 794,384.96 = 317,524.40 : x
  2. Step 2: Convert to fraction form
    575,637.52/794,384.96 = 317,524.40/x
  3. Step 3: Cross multiply
    575,637.52x = 794,384.96 × 317,524.40
  4. Step 4: Simplify right side
    575,637.52x = 252,236,607,793.02
  5. Step 5: Solve for x
    x = 252,236,607,793.02/575,637.52
  6. Step 6: Final answer
    x = 438,186.53

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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.