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Finding the Fourth Proportional to 560,437.75, 840,663.96 and 186,460.75

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Solution

The fourth proportional to 560,437.75, 840,663.96 and 186,460.75 is: 279,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,437.75 : 840,663.96 = 186,460.75 : x
  2. Step 2: Convert to fraction form
    560,437.75/840,663.96 = 186,460.75/x
  3. Step 3: Cross multiply
    560,437.75x = 840,663.96 × 186,460.75
  4. Step 4: Simplify right side
    560,437.75x = 156,750,832,479.57
  5. Step 5: Solve for x
    x = 156,750,832,479.57/560,437.75
  6. Step 6: Final answer
    x = 279,693.57

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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.