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Finding the Fourth Proportional to 610,458.84, 842,417.52 and 338,522.40

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Solution

The fourth proportional to 610,458.84, 842,417.52 and 338,522.40 is: 467,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,458.84 : 842,417.52 = 338,522.40 : x
  2. Step 2: Convert to fraction form
    610,458.84/842,417.52 = 338,522.40/x
  3. Step 3: Cross multiply
    610,458.84x = 842,417.52 × 338,522.40
  4. Step 4: Simplify right side
    610,458.84x = 285,177,200,672.45
  5. Step 5: Solve for x
    x = 285,177,200,672.45/610,458.84
  6. Step 6: Final answer
    x = 467,152.22

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