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Finding the Fourth Proportional to 556,461.16, 835,871.96 and 524,067.64

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Solution

The fourth proportional to 556,461.16, 835,871.96 and 524,067.64 is: 787,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,461.16 : 835,871.96 = 524,067.64 : x
  2. Step 2: Convert to fraction form
    556,461.16/835,871.96 = 524,067.64/x
  3. Step 3: Cross multiply
    556,461.16x = 835,871.96 × 524,067.64
  4. Step 4: Simplify right side
    556,461.16x = 438,053,445,419.37
  5. Step 5: Solve for x
    x = 438,053,445,419.37/556,461.16
  6. Step 6: Final answer
    x = 787,212.98

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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.