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Finding the Fourth Proportional to 577,742.52, 866,657.52 and 157,012.32

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Solution

The fourth proportional to 577,742.52, 866,657.52 and 157,012.32 is: 235,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,742.52 : 866,657.52 = 157,012.32 : x
  2. Step 2: Convert to fraction form
    577,742.52/866,657.52 = 157,012.32/x
  3. Step 3: Cross multiply
    577,742.52x = 866,657.52 × 157,012.32
  4. Step 4: Simplify right side
    577,742.52x = 136,075,907,860.65
  5. Step 5: Solve for x
    x = 136,075,907,860.65/577,742.52
  6. Step 6: Final answer
    x = 235,530.37

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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.