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Finding the Fourth Proportional to 291,085.48, 401,746.02 and 183,713.96

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Solution

The fourth proportional to 291,085.48, 401,746.02 and 183,713.96 is: 253,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,085.48 : 401,746.02 = 183,713.96 : x
  2. Step 2: Convert to fraction form
    291,085.48/401,746.02 = 183,713.96/x
  3. Step 3: Cross multiply
    291,085.48x = 401,746.02 × 183,713.96
  4. Step 4: Simplify right side
    291,085.48x = 73,806,352,248.44
  5. Step 5: Solve for x
    x = 73,806,352,248.44/291,085.48
  6. Step 6: Final answer
    x = 253,555.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.