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Finding the Fourth Proportional to 563,149.44, 777,155.04 and 308,483.82

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Solution

The fourth proportional to 563,149.44, 777,155.04 and 308,483.82 is: 425,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,149.44 : 777,155.04 = 308,483.82 : x
  2. Step 2: Convert to fraction form
    563,149.44/777,155.04 = 308,483.82/x
  3. Step 3: Cross multiply
    563,149.44x = 777,155.04 × 308,483.82
  4. Step 4: Simplify right side
    563,149.44x = 239,739,755,471.45
  5. Step 5: Solve for x
    x = 239,739,755,471.45/563,149.44
  6. Step 6: Final answer
    x = 425,712.50

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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.