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Finding the Fourth Proportional to 404,740.32, 607,102.10 and 134,888.03

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Solution

The fourth proportional to 404,740.32, 607,102.10 and 134,888.03 is: 202,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,740.32 : 607,102.10 = 134,888.03 : x
  2. Step 2: Convert to fraction form
    404,740.32/607,102.10 = 134,888.03/x
  3. Step 3: Cross multiply
    404,740.32x = 607,102.10 × 134,888.03
  4. Step 4: Simplify right side
    404,740.32x = 81,890,806,277.86
  5. Step 5: Solve for x
    x = 81,890,806,277.86/404,740.32
  6. Step 6: Final answer
    x = 202,329.25

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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.