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Finding the Fourth Proportional to 563,365.13, 777,444.48 and 308,716.92

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Solution

The fourth proportional to 563,365.13, 777,444.48 and 308,716.92 is: 426,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,365.13 : 777,444.48 = 308,716.92 : x
  2. Step 2: Convert to fraction form
    563,365.13/777,444.48 = 308,716.92/x
  3. Step 3: Cross multiply
    563,365.13x = 777,444.48 × 308,716.92
  4. Step 4: Simplify right side
    563,365.13x = 240,010,265,336.60
  5. Step 5: Solve for x
    x = 240,010,265,336.60/563,365.13
  6. Step 6: Final answer
    x = 426,029.68

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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.