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Finding the Fourth Proportional to 472,990.46, 652,710.35 and 269,025.98

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Solution

The fourth proportional to 472,990.46, 652,710.35 and 269,025.98 is: 371,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,990.46 : 652,710.35 = 269,025.98 : x
  2. Step 2: Convert to fraction form
    472,990.46/652,710.35 = 269,025.98/x
  3. Step 3: Cross multiply
    472,990.46x = 652,710.35 × 269,025.98
  4. Step 4: Simplify right side
    472,990.46x = 175,596,038,973.91
  5. Step 5: Solve for x
    x = 175,596,038,973.91/472,990.46
  6. Step 6: Final answer
    x = 371,246.47

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Why These Related Problems?

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