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Finding the Fourth Proportional to 592,803.60, 889,205.40 and 412,400.40

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Solution

The fourth proportional to 592,803.60, 889,205.40 and 412,400.40 is: 618,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,803.60 : 889,205.40 = 412,400.40 : x
  2. Step 2: Convert to fraction form
    592,803.60/889,205.40 = 412,400.40/x
  3. Step 3: Cross multiply
    592,803.60x = 889,205.40 × 412,400.40
  4. Step 4: Simplify right side
    592,803.60x = 366,708,662,642.16
  5. Step 5: Solve for x
    x = 366,708,662,642.16/592,803.60
  6. Step 6: Final answer
    x = 618,600.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.