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Finding the Fourth Proportional to 561,859.96, 775,577.59 and 368,280.14

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Solution

The fourth proportional to 561,859.96, 775,577.59 and 368,280.14 is: 508,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,859.96 : 775,577.59 = 368,280.14 : x
  2. Step 2: Convert to fraction form
    561,859.96/775,577.59 = 368,280.14/x
  3. Step 3: Cross multiply
    561,859.96x = 775,577.59 × 368,280.14
  4. Step 4: Simplify right side
    561,859.96x = 285,629,823,426.06
  5. Step 5: Solve for x
    x = 285,629,823,426.06/561,859.96
  6. Step 6: Final answer
    x = 508,364.80

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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.