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Finding the Fourth Proportional to 610,843.07, 842,925.39 and 368,982.74

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Solution

The fourth proportional to 610,843.07, 842,925.39 and 368,982.74 is: 509,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,843.07 : 842,925.39 = 368,982.74 : x
  2. Step 2: Convert to fraction form
    610,843.07/842,925.39 = 368,982.74/x
  3. Step 3: Cross multiply
    610,843.07x = 842,925.39 × 368,982.74
  4. Step 4: Simplify right side
    610,843.07x = 311,024,920,741.40
  5. Step 5: Solve for x
    x = 311,024,920,741.40/610,843.07
  6. Step 6: Final answer
    x = 509,173.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.