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Finding the Fourth Proportional to 579,618.60, 867,678.30 and 579,618.60

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Solution

The fourth proportional to 579,618.60, 867,678.30 and 579,618.60 is: 867,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,618.60 : 867,678.30 = 579,618.60 : x
  2. Step 2: Convert to fraction form
    579,618.60/867,678.30 = 579,618.60/x
  3. Step 3: Cross multiply
    579,618.60x = 867,678.30 × 579,618.60
  4. Step 4: Simplify right side
    579,618.60x = 502,922,481,496.38
  5. Step 5: Solve for x
    x = 502,922,481,496.38/579,618.60
  6. Step 6: Final answer
    x = 867,678.30

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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.