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Finding the Fourth Proportional to 296,466.40, 444,991.20 and 146,875.60

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Solution

The fourth proportional to 296,466.40, 444,991.20 and 146,875.60 is: 220,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,466.40 : 444,991.20 = 146,875.60 : x
  2. Step 2: Convert to fraction form
    296,466.40/444,991.20 = 146,875.60/x
  3. Step 3: Cross multiply
    296,466.40x = 444,991.20 × 146,875.60
  4. Step 4: Simplify right side
    296,466.40x = 65,358,349,494.72
  5. Step 5: Solve for x
    x = 65,358,349,494.72/296,466.40
  6. Step 6: Final answer
    x = 220,457.86

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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.