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Finding the Fourth Proportional to 617,854.44, 926,602.62 and 185,554.50

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Solution

The fourth proportional to 617,854.44, 926,602.62 and 185,554.50 is: 278,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,854.44 : 926,602.62 = 185,554.50 : x
  2. Step 2: Convert to fraction form
    617,854.44/926,602.62 = 185,554.50/x
  3. Step 3: Cross multiply
    617,854.44x = 926,602.62 × 185,554.50
  4. Step 4: Simplify right side
    617,854.44x = 171,935,285,852.79
  5. Step 5: Solve for x
    x = 171,935,285,852.79/617,854.44
  6. Step 6: Final answer
    x = 278,277.98

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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.