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Finding the Fourth Proportional to 562,884.78, 776,779.82 and 304,760.46

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Solution

The fourth proportional to 562,884.78, 776,779.82 and 304,760.46 is: 420,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,884.78 : 776,779.82 = 304,760.46 : x
  2. Step 2: Convert to fraction form
    562,884.78/776,779.82 = 304,760.46/x
  3. Step 3: Cross multiply
    562,884.78x = 776,779.82 × 304,760.46
  4. Step 4: Simplify right side
    562,884.78x = 236,731,773,738.12
  5. Step 5: Solve for x
    x = 236,731,773,738.12/562,884.78
  6. Step 6: Final answer
    x = 420,568.80

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1.5x scale

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.