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Finding the Fourth Proportional to 380,047.61, 524,237.18 and 250,987.26

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Solution

The fourth proportional to 380,047.61, 524,237.18 and 250,987.26 is: 346,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,047.61 : 524,237.18 = 250,987.26 : x
  2. Step 2: Convert to fraction form
    380,047.61/524,237.18 = 250,987.26/x
  3. Step 3: Cross multiply
    380,047.61x = 524,237.18 × 250,987.26
  4. Step 4: Simplify right side
    380,047.61x = 131,576,852,143.39
  5. Step 5: Solve for x
    x = 131,576,852,143.39/380,047.61
  6. Step 6: Final answer
    x = 346,211.50

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1.5x scale

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.