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Finding the Fourth Proportional to 516,272.90, 712,208.26 and 335,041.67

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Solution

The fourth proportional to 516,272.90, 712,208.26 and 335,041.67 is: 462,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,272.90 : 712,208.26 = 335,041.67 : x
  2. Step 2: Convert to fraction form
    516,272.90/712,208.26 = 335,041.67/x
  3. Step 3: Cross multiply
    516,272.90x = 712,208.26 × 335,041.67
  4. Step 4: Simplify right side
    516,272.90x = 238,619,447,017.52
  5. Step 5: Solve for x
    x = 238,619,447,017.52/516,272.90
  6. Step 6: Final answer
    x = 462,196.35

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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.