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Finding the Fourth Proportional to 452,843.79, 679,224.03 and 153,290.13

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Solution

The fourth proportional to 452,843.79, 679,224.03 and 153,290.13 is: 229,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,843.79 : 679,224.03 = 153,290.13 : x
  2. Step 2: Convert to fraction form
    452,843.79/679,224.03 = 153,290.13/x
  3. Step 3: Cross multiply
    452,843.79x = 679,224.03 × 153,290.13
  4. Step 4: Simplify right side
    452,843.79x = 104,118,339,857.82
  5. Step 5: Solve for x
    x = 104,118,339,857.82/452,843.79
  6. Step 6: Final answer
    x = 229,921.09

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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.