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Finding the Fourth Proportional to 655,360.65, 983,277.68 and 228,959.45

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Solution

The fourth proportional to 655,360.65, 983,277.68 and 228,959.45 is: 343,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,360.65 : 983,277.68 = 228,959.45 : x
  2. Step 2: Convert to fraction form
    655,360.65/983,277.68 = 228,959.45/x
  3. Step 3: Cross multiply
    655,360.65x = 983,277.68 × 228,959.45
  4. Step 4: Simplify right side
    655,360.65x = 225,130,710,748.89
  5. Step 5: Solve for x
    x = 225,130,710,748.89/655,360.65
  6. Step 6: Final answer
    x = 343,521.86

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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.