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Finding the Fourth Proportional to 672,392.16, 1,008,737.76 and 293,374.32

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Solution

The fourth proportional to 672,392.16, 1,008,737.76 and 293,374.32 is: 440,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,392.16 : 1,008,737.76 = 293,374.32 : x
  2. Step 2: Convert to fraction form
    672,392.16/1,008,737.76 = 293,374.32/x
  3. Step 3: Cross multiply
    672,392.16x = 1,008,737.76 × 293,374.32
  4. Step 4: Simplify right side
    672,392.16x = 295,937,754,398.32
  5. Step 5: Solve for x
    x = 295,937,754,398.32/672,392.16
  6. Step 6: Final answer
    x = 440,126.72

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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.