Home / 382,275.68-527,572.36-212,525.60

Finding the Fourth Proportional to 382,275.68, 527,572.36 and 212,525.60

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Solution

The fourth proportional to 382,275.68, 527,572.36 and 212,525.60 is: 293,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,275.68 : 527,572.36 = 212,525.60 : x
  2. Step 2: Convert to fraction form
    382,275.68/527,572.36 = 212,525.60/x
  3. Step 3: Cross multiply
    382,275.68x = 527,572.36 × 212,525.60
  4. Step 4: Simplify right side
    382,275.68x = 112,122,632,352.42
  5. Step 5: Solve for x
    x = 112,122,632,352.42/382,275.68
  6. Step 6: Final answer
    x = 293,303.07

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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.