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Finding the Fourth Proportional to 223,648.00, 335,538.13 and 128,946.13

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Solution

The fourth proportional to 223,648.00, 335,538.13 and 128,946.13 is: 193,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,648.00 : 335,538.13 = 128,946.13 : x
  2. Step 2: Convert to fraction form
    223,648.00/335,538.13 = 128,946.13/x
  3. Step 3: Cross multiply
    223,648.00x = 335,538.13 × 128,946.13
  4. Step 4: Simplify right side
    223,648.00x = 43,266,342,411.50
  5. Step 5: Solve for x
    x = 43,266,342,411.50/223,648.00
  6. Step 6: Final answer
    x = 193,457.32

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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.