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Finding the Fourth Proportional to 441,571.50, 609,434.28 and 260,225.46

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Solution

The fourth proportional to 441,571.50, 609,434.28 and 260,225.46 is: 359,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,571.50 : 609,434.28 = 260,225.46 : x
  2. Step 2: Convert to fraction form
    441,571.50/609,434.28 = 260,225.46/x
  3. Step 3: Cross multiply
    441,571.50x = 609,434.28 × 260,225.46
  4. Step 4: Simplify right side
    441,571.50x = 158,590,315,852.77
  5. Step 5: Solve for x
    x = 158,590,315,852.77/441,571.50
  6. Step 6: Final answer
    x = 359,149.80

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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.