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Finding the Fourth Proportional to 548,875.76, 757,097.07 and 440,240.76

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Solution

The fourth proportional to 548,875.76, 757,097.07 and 440,240.76 is: 607,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,875.76 : 757,097.07 = 440,240.76 : x
  2. Step 2: Convert to fraction form
    548,875.76/757,097.07 = 440,240.76/x
  3. Step 3: Cross multiply
    548,875.76x = 757,097.07 × 440,240.76
  4. Step 4: Simplify right side
    548,875.76x = 333,304,989,490.57
  5. Step 5: Solve for x
    x = 333,304,989,490.57/548,875.76
  6. Step 6: Final answer
    x = 607,250.34

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1.5x scale

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.