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Finding the Fourth Proportional to 375,290.64, 562,851.53 and 172,692.41

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Solution

The fourth proportional to 375,290.64, 562,851.53 and 172,692.41 is: 258,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,290.64 : 562,851.53 = 172,692.41 : x
  2. Step 2: Convert to fraction form
    375,290.64/562,851.53 = 172,692.41/x
  3. Step 3: Cross multiply
    375,290.64x = 562,851.53 × 172,692.41
  4. Step 4: Simplify right side
    375,290.64x = 97,200,183,510.17
  5. Step 5: Solve for x
    x = 97,200,183,510.17/375,290.64
  6. Step 6: Final answer
    x = 258,999.75

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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.