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Finding the Fourth Proportional to 506,757.76, 760,357.16 and 317,651.52

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Solution

The fourth proportional to 506,757.76, 760,357.16 and 317,651.52 is: 476,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,757.76 : 760,357.16 = 317,651.52 : x
  2. Step 2: Convert to fraction form
    506,757.76/760,357.16 = 317,651.52/x
  3. Step 3: Cross multiply
    506,757.76x = 760,357.16 × 317,651.52
  4. Step 4: Simplify right side
    506,757.76x = 241,528,607,616.88
  5. Step 5: Solve for x
    x = 241,528,607,616.88/506,757.76
  6. Step 6: Final answer
    x = 476,615.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.