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Finding the Fourth Proportional to 445,852.83, 668,638.76 and 146,263.60

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Solution

The fourth proportional to 445,852.83, 668,638.76 and 146,263.60 is: 219,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,852.83 : 668,638.76 = 146,263.60 : x
  2. Step 2: Convert to fraction form
    445,852.83/668,638.76 = 146,263.60/x
  3. Step 3: Cross multiply
    445,852.83x = 668,638.76 × 146,263.60
  4. Step 4: Simplify right side
    445,852.83x = 97,797,508,480.52
  5. Step 5: Solve for x
    x = 97,797,508,480.52/445,852.83
  6. Step 6: Final answer
    x = 219,349.31

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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.