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Finding the Fourth Proportional to 338,369.84, 507,555.14 and 101,712.52

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Solution

The fourth proportional to 338,369.84, 507,555.14 and 101,712.52 is: 152,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,369.84 : 507,555.14 = 101,712.52 : x
  2. Step 2: Convert to fraction form
    338,369.84/507,555.14 = 101,712.52/x
  3. Step 3: Cross multiply
    338,369.84x = 507,555.14 × 101,712.52
  4. Step 4: Simplify right side
    338,369.84x = 51,624,712,328.35
  5. Step 5: Solve for x
    x = 51,624,712,328.35/338,369.84
  6. Step 6: Final answer
    x = 152,568.89

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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.