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Finding the Fourth Proportional to 445,802.90, 668,726.22 and 179,527.45

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Solution

The fourth proportional to 445,802.90, 668,726.22 and 179,527.45 is: 269,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,802.90 : 668,726.22 = 179,527.45 : x
  2. Step 2: Convert to fraction form
    445,802.90/668,726.22 = 179,527.45/x
  3. Step 3: Cross multiply
    445,802.90x = 668,726.22 × 179,527.45
  4. Step 4: Simplify right side
    445,802.90x = 120,054,713,024.74
  5. Step 5: Solve for x
    x = 120,054,713,024.74/445,802.90
  6. Step 6: Final answer
    x = 269,299.98

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1.5x scale

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.