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Finding the Fourth Proportional to 578,705.84, 868,058.86 and 241,562.58

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Solution

The fourth proportional to 578,705.84, 868,058.86 and 241,562.58 is: 362,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,705.84 : 868,058.86 = 241,562.58 : x
  2. Step 2: Convert to fraction form
    578,705.84/868,058.86 = 241,562.58/x
  3. Step 3: Cross multiply
    578,705.84x = 868,058.86 × 241,562.58
  4. Step 4: Simplify right side
    578,705.84x = 209,690,537,813.46
  5. Step 5: Solve for x
    x = 209,690,537,813.46/578,705.84
  6. Step 6: Final answer
    x = 362,343.91

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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.