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Finding the Fourth Proportional to 349,740.60, 524,351.70 and 149,897.40

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Solution

The fourth proportional to 349,740.60, 524,351.70 and 149,897.40 is: 224,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,740.60 : 524,351.70 = 149,897.40 : x
  2. Step 2: Convert to fraction form
    349,740.60/524,351.70 = 149,897.40/x
  3. Step 3: Cross multiply
    349,740.60x = 524,351.70 × 149,897.40
  4. Step 4: Simplify right side
    349,740.60x = 78,598,956,515.58
  5. Step 5: Solve for x
    x = 78,598,956,515.58/349,740.60
  6. Step 6: Final answer
    x = 224,735.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.