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Finding the Fourth Proportional to 302,078.01, 416,867.06 and 173,058.25

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Solution

The fourth proportional to 302,078.01, 416,867.06 and 173,058.25 is: 238,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,078.01 : 416,867.06 = 173,058.25 : x
  2. Step 2: Convert to fraction form
    302,078.01/416,867.06 = 173,058.25/x
  3. Step 3: Cross multiply
    302,078.01x = 416,867.06 × 173,058.25
  4. Step 4: Simplify right side
    302,078.01x = 72,142,283,779.01
  5. Step 5: Solve for x
    x = 72,142,283,779.01/302,078.01
  6. Step 6: Final answer
    x = 238,820.05

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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.