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Finding the Fourth Proportional to 484,521.48, 668,661.66 and 269,675.30

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Solution

The fourth proportional to 484,521.48, 668,661.66 and 269,675.30 is: 372,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,521.48 : 668,661.66 = 269,675.30 : x
  2. Step 2: Convert to fraction form
    484,521.48/668,661.66 = 269,675.30/x
  3. Step 3: Cross multiply
    484,521.48x = 668,661.66 × 269,675.30
  4. Step 4: Simplify right side
    484,521.48x = 180,321,535,430.65
  5. Step 5: Solve for x
    x = 180,321,535,430.65/484,521.48
  6. Step 6: Final answer
    x = 372,164.17

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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.