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Finding the Fourth Proportional to 450,811.62, 622,118.61 and 249,607.62

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Solution

The fourth proportional to 450,811.62, 622,118.61 and 249,607.62 is: 344,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,811.62 : 622,118.61 = 249,607.62 : x
  2. Step 2: Convert to fraction form
    450,811.62/622,118.61 = 249,607.62/x
  3. Step 3: Cross multiply
    450,811.62x = 622,118.61 × 249,607.62
  4. Step 4: Simplify right side
    450,811.62x = 155,285,545,599.81
  5. Step 5: Solve for x
    x = 155,285,545,599.81/450,811.62
  6. Step 6: Final answer
    x = 344,457.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.