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Finding the Fourth Proportional to 540,150.40, 808,670.40 and 484,163.20

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Solution

The fourth proportional to 540,150.40, 808,670.40 and 484,163.20 is: 724,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,150.40 : 808,670.40 = 484,163.20 : x
  2. Step 2: Convert to fraction form
    540,150.40/808,670.40 = 484,163.20/x
  3. Step 3: Cross multiply
    540,150.40x = 808,670.40 × 484,163.20
  4. Step 4: Simplify right side
    540,150.40x = 391,528,448,609.28
  5. Step 5: Solve for x
    x = 391,528,448,609.28/540,150.40
  6. Step 6: Final answer
    x = 724,850.80

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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.