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Finding the Fourth Proportional to 654,307.56, 981,059.40 and 254,482.29

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Solution

The fourth proportional to 654,307.56, 981,059.40 and 254,482.29 is: 381,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,307.56 : 981,059.40 = 254,482.29 : x
  2. Step 2: Convert to fraction form
    654,307.56/981,059.40 = 254,482.29/x
  3. Step 3: Cross multiply
    654,307.56x = 981,059.40 × 254,482.29
  4. Step 4: Simplify right side
    654,307.56x = 249,662,242,738.03
  5. Step 5: Solve for x
    x = 249,662,242,738.03/654,307.56
  6. Step 6: Final answer
    x = 381,567.11

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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.