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Finding the Fourth Proportional to 560,487.50, 840,575.58 and 155,586.62

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Solution

The fourth proportional to 560,487.50, 840,575.58 and 155,586.62 is: 233,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,487.50 : 840,575.58 = 155,586.62 : x
  2. Step 2: Convert to fraction form
    560,487.50/840,575.58 = 155,586.62/x
  3. Step 3: Cross multiply
    560,487.50x = 840,575.58 × 155,586.62
  4. Step 4: Simplify right side
    560,487.50x = 130,782,314,864.73
  5. Step 5: Solve for x
    x = 130,782,314,864.73/560,487.50
  6. Step 6: Final answer
    x = 233,336.72

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1.5x scale

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.