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Finding the Fourth Proportional to 445,572.48, 668,496.60 and 146,055.36

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Solution

The fourth proportional to 445,572.48, 668,496.60 and 146,055.36 is: 219,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,572.48 : 668,496.60 = 146,055.36 : x
  2. Step 2: Convert to fraction form
    445,572.48/668,496.60 = 146,055.36/x
  3. Step 3: Cross multiply
    445,572.48x = 668,496.60 × 146,055.36
  4. Step 4: Simplify right side
    445,572.48x = 97,637,511,571.78
  5. Step 5: Solve for x
    x = 97,637,511,571.78/445,572.48
  6. Step 6: Final answer
    x = 219,128.24

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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.