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Finding the Fourth Proportional to 370,225.83, 510,962.34 and 213,058.47

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Solution

The fourth proportional to 370,225.83, 510,962.34 and 213,058.47 is: 294,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,225.83 : 510,962.34 = 213,058.47 : x
  2. Step 2: Convert to fraction form
    370,225.83/510,962.34 = 213,058.47/x
  3. Step 3: Cross multiply
    370,225.83x = 510,962.34 × 213,058.47
  4. Step 4: Simplify right side
    370,225.83x = 108,864,854,388.02
  5. Step 5: Solve for x
    x = 108,864,854,388.02/370,225.83
  6. Step 6: Final answer
    x = 294,049.86

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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.