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Finding the Fourth Proportional to 563,594.76, 777,760.38 and 308,950.20

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Solution

The fourth proportional to 563,594.76, 777,760.38 and 308,950.20 is: 426,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,594.76 : 777,760.38 = 308,950.20 : x
  2. Step 2: Convert to fraction form
    563,594.76/777,760.38 = 308,950.20/x
  3. Step 3: Cross multiply
    563,594.76x = 777,760.38 × 308,950.20
  4. Step 4: Simplify right side
    563,594.76x = 240,289,224,953.08
  5. Step 5: Solve for x
    x = 240,289,224,953.08/563,594.76
  6. Step 6: Final answer
    x = 426,351.06

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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.