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Finding the Fourth Proportional to 376,172.70, 563,602.92 and 313,396.08

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Solution

The fourth proportional to 376,172.70, 563,602.92 and 313,396.08 is: 469,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,172.70 : 563,602.92 = 313,396.08 : x
  2. Step 2: Convert to fraction form
    376,172.70/563,602.92 = 313,396.08/x
  3. Step 3: Cross multiply
    376,172.70x = 563,602.92 × 313,396.08
  4. Step 4: Simplify right side
    376,172.70x = 176,630,945,804.55
  5. Step 5: Solve for x
    x = 176,630,945,804.55/376,172.70
  6. Step 6: Final answer
    x = 469,547.49

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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.