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Finding the Fourth Proportional to 624,382.60, 933,809.10 and 524,849.80

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Solution

The fourth proportional to 624,382.60, 933,809.10 and 524,849.80 is: 784,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,382.60 : 933,809.10 = 524,849.80 : x
  2. Step 2: Convert to fraction form
    624,382.60/933,809.10 = 524,849.80/x
  3. Step 3: Cross multiply
    624,382.60x = 933,809.10 × 524,849.80
  4. Step 4: Simplify right side
    624,382.60x = 490,109,519,373.18
  5. Step 5: Solve for x
    x = 490,109,519,373.18/624,382.60
  6. Step 6: Final answer
    x = 784,950.64

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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.