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Finding the Fourth Proportional to 608,552.80, 912,829.20 and 605,053.60

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Solution

The fourth proportional to 608,552.80, 912,829.20 and 605,053.60 is: 907,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,552.80 : 912,829.20 = 605,053.60 : x
  2. Step 2: Convert to fraction form
    608,552.80/912,829.20 = 605,053.60/x
  3. Step 3: Cross multiply
    608,552.80x = 912,829.20 × 605,053.60
  4. Step 4: Simplify right side
    608,552.80x = 552,310,593,645.12
  5. Step 5: Solve for x
    x = 552,310,593,645.12/608,552.80
  6. Step 6: Final answer
    x = 907,580.40

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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.