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Finding the Fourth Proportional to 571,903.90, 857,272.65 and 335,124.70

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Solution

The fourth proportional to 571,903.90, 857,272.65 and 335,124.70 is: 502,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,903.90 : 857,272.65 = 335,124.70 : x
  2. Step 2: Convert to fraction form
    571,903.90/857,272.65 = 335,124.70/x
  3. Step 3: Cross multiply
    571,903.90x = 857,272.65 × 335,124.70
  4. Step 4: Simplify right side
    571,903.90x = 287,293,239,649.46
  5. Step 5: Solve for x
    x = 287,293,239,649.46/571,903.90
  6. Step 6: Final answer
    x = 502,345.31

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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.