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Finding the Fourth Proportional to 469,907.58, 648,473.03 and 255,047.70

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Solution

The fourth proportional to 469,907.58, 648,473.03 and 255,047.70 is: 351,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,907.58 : 648,473.03 = 255,047.70 : x
  2. Step 2: Convert to fraction form
    469,907.58/648,473.03 = 255,047.70/x
  3. Step 3: Cross multiply
    469,907.58x = 648,473.03 × 255,047.70
  4. Step 4: Simplify right side
    469,907.58x = 165,391,554,813.53
  5. Step 5: Solve for x
    x = 165,391,554,813.53/469,907.58
  6. Step 6: Final answer
    x = 351,966.14

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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.