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Finding the Fourth Proportional to 566,053.88, 781,209.59 and 422,564.81

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Solution

The fourth proportional to 566,053.88, 781,209.59 and 422,564.81 is: 583,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,053.88 : 781,209.59 = 422,564.81 : x
  2. Step 2: Convert to fraction form
    566,053.88/781,209.59 = 422,564.81/x
  3. Step 3: Cross multiply
    566,053.88x = 781,209.59 × 422,564.81
  4. Step 4: Simplify right side
    566,053.88x = 330,111,675,949.66
  5. Step 5: Solve for x
    x = 330,111,675,949.66/566,053.88
  6. Step 6: Final answer
    x = 583,180.67

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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.