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Finding the Fourth Proportional to 372,656.20, 558,984.30 and 186,032.20

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Solution

The fourth proportional to 372,656.20, 558,984.30 and 186,032.20 is: 279,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,656.20 : 558,984.30 = 186,032.20 : x
  2. Step 2: Convert to fraction form
    372,656.20/558,984.30 = 186,032.20/x
  3. Step 3: Cross multiply
    372,656.20x = 558,984.30 × 186,032.20
  4. Step 4: Simplify right side
    372,656.20x = 103,989,079,094.46
  5. Step 5: Solve for x
    x = 103,989,079,094.46/372,656.20
  6. Step 6: Final answer
    x = 279,048.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.