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Finding the Fourth Proportional to 584,751.32, 806,956.59 and 316,479.32

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Solution

The fourth proportional to 584,751.32, 806,956.59 and 316,479.32 is: 436,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,751.32 : 806,956.59 = 316,479.32 : x
  2. Step 2: Convert to fraction form
    584,751.32/806,956.59 = 316,479.32/x
  3. Step 3: Cross multiply
    584,751.32x = 806,956.59 × 316,479.32
  4. Step 4: Simplify right side
    584,751.32x = 255,385,072,872.72
  5. Step 5: Solve for x
    x = 255,385,072,872.72/584,751.32
  6. Step 6: Final answer
    x = 436,741.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.