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Finding the Fourth Proportional to 299,366.19, 448,810.77 and 172,862.93

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Solution

The fourth proportional to 299,366.19, 448,810.77 and 172,862.93 is: 259,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,366.19 : 448,810.77 = 172,862.93 : x
  2. Step 2: Convert to fraction form
    299,366.19/448,810.77 = 172,862.93/x
  3. Step 3: Cross multiply
    299,366.19x = 448,810.77 × 172,862.93
  4. Step 4: Simplify right side
    299,366.19x = 77,582,744,717.76
  5. Step 5: Solve for x
    x = 77,582,744,717.76/299,366.19
  6. Step 6: Final answer
    x = 259,156.67

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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.