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Finding the Fourth Proportional to 556,592.46, 768,097.80 and 314,869.92

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Solution

The fourth proportional to 556,592.46, 768,097.80 and 314,869.92 is: 434,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,592.46 : 768,097.80 = 314,869.92 : x
  2. Step 2: Convert to fraction form
    556,592.46/768,097.80 = 314,869.92/x
  3. Step 3: Cross multiply
    556,592.46x = 768,097.80 × 314,869.92
  4. Step 4: Simplify right side
    556,592.46x = 241,850,892,838.18
  5. Step 5: Solve for x
    x = 241,850,892,838.18/556,592.46
  6. Step 6: Final answer
    x = 434,520.61

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1.5x scale

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.