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Finding the Fourth Proportional to 372,958.40, 558,778.80 and 360,624.80

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Solution

The fourth proportional to 372,958.40, 558,778.80 and 360,624.80 is: 540,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,958.40 : 558,778.80 = 360,624.80 : x
  2. Step 2: Convert to fraction form
    372,958.40/558,778.80 = 360,624.80/x
  3. Step 3: Cross multiply
    372,958.40x = 558,778.80 × 360,624.80
  4. Step 4: Simplify right side
    372,958.40x = 201,509,492,994.24
  5. Step 5: Solve for x
    x = 201,509,492,994.24/372,958.40
  6. Step 6: Final answer
    x = 540,300.19

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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.