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Finding the Fourth Proportional to 558,808, 837,628.50 and 259,041.40

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Solution

The fourth proportional to 558,808, 837,628.50 and 259,041.40 is: 388,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,808 : 837,628.50 = 259,041.40 : x
  2. Step 2: Convert to fraction form
    558,808/837,628.50 = 259,041.40/x
  3. Step 3: Cross multiply
    558,808x = 837,628.50 × 259,041.40
  4. Step 4: Simplify right side
    558,808x = 216,980,459,319.90
  5. Step 5: Solve for x
    x = 216,980,459,319.90/558,808
  6. Step 6: Final answer
    x = 388,291.61

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