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Finding the Fourth Proportional to 301,512.08, 416,281.40 and 186,913.20

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Solution

The fourth proportional to 301,512.08, 416,281.40 and 186,913.20 is: 258,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,512.08 : 416,281.40 = 186,913.20 : x
  2. Step 2: Convert to fraction form
    301,512.08/416,281.40 = 186,913.20/x
  3. Step 3: Cross multiply
    301,512.08x = 416,281.40 × 186,913.20
  4. Step 4: Simplify right side
    301,512.08x = 77,808,485,558.51
  5. Step 5: Solve for x
    x = 77,808,485,558.51/301,512.08
  6. Step 6: Final answer
    x = 258,060.92

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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.