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Finding the Fourth Proportional to 357,992.44, 537,095.22 and 147,643

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Solution

The fourth proportional to 357,992.44, 537,095.22 and 147,643 is: 221,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.44 : 537,095.22 = 147,643 : x
  2. Step 2: Convert to fraction form
    357,992.44/537,095.22 = 147,643/x
  3. Step 3: Cross multiply
    357,992.44x = 537,095.22 × 147,643
  4. Step 4: Simplify right side
    357,992.44x = 79,298,349,566.46
  5. Step 5: Solve for x
    x = 79,298,349,566.46/357,992.44
  6. Step 6: Final answer
    x = 221,508.45

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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.