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Finding the Fourth Proportional to 586,272.60, 878,816.86 and 282,220.20

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Solution

The fourth proportional to 586,272.60, 878,816.86 and 282,220.20 is: 423,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,272.60 : 878,816.86 = 282,220.20 : x
  2. Step 2: Convert to fraction form
    586,272.60/878,816.86 = 282,220.20/x
  3. Step 3: Cross multiply
    586,272.60x = 878,816.86 × 282,220.20
  4. Step 4: Simplify right side
    586,272.60x = 248,019,869,287.02
  5. Step 5: Solve for x
    x = 248,019,869,287.02/586,272.60
  6. Step 6: Final answer
    x = 423,045.30

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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.