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Finding the Fourth Proportional to 608,552.40, 912,828.60 and 605,053.20

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Solution

The fourth proportional to 608,552.40, 912,828.60 and 605,053.20 is: 907,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,552.40 : 912,828.60 = 605,053.20 : x
  2. Step 2: Convert to fraction form
    608,552.40/912,828.60 = 605,053.20/x
  3. Step 3: Cross multiply
    608,552.40x = 912,828.60 × 605,053.20
  4. Step 4: Simplify right side
    608,552.40x = 552,309,865,481.52
  5. Step 5: Solve for x
    x = 552,309,865,481.52/608,552.40
  6. Step 6: Final answer
    x = 907,579.80

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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.