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Finding the Fourth Proportional to 586,780.60, 880,199.70 and 306,844.60

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Solution

The fourth proportional to 586,780.60, 880,199.70 and 306,844.60 is: 460,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,780.60 : 880,199.70 = 306,844.60 : x
  2. Step 2: Convert to fraction form
    586,780.60/880,199.70 = 306,844.60/x
  3. Step 3: Cross multiply
    586,780.60x = 880,199.70 × 306,844.60
  4. Step 4: Simplify right side
    586,780.60x = 270,084,524,866.62
  5. Step 5: Solve for x
    x = 270,084,524,866.62/586,780.60
  6. Step 6: Final answer
    x = 460,281.96

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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.