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Finding the Fourth Proportional to 380,726.01, 524,335.91 and 372,460.41

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Solution

The fourth proportional to 380,726.01, 524,335.91 and 372,460.41 is: 512,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,726.01 : 524,335.91 = 372,460.41 : x
  2. Step 2: Convert to fraction form
    380,726.01/524,335.91 = 372,460.41/x
  3. Step 3: Cross multiply
    380,726.01x = 524,335.91 × 372,460.41
  4. Step 4: Simplify right side
    380,726.01x = 195,294,366,154.02
  5. Step 5: Solve for x
    x = 195,294,366,154.02/380,726.01
  6. Step 6: Final answer
    x = 512,952.52

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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.