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Finding the Fourth Proportional to 344,023.80, 514,998.90 and 302,551.80

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Solution

The fourth proportional to 344,023.80, 514,998.90 and 302,551.80 is: 452,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,023.80 : 514,998.90 = 302,551.80 : x
  2. Step 2: Convert to fraction form
    344,023.80/514,998.90 = 302,551.80/x
  3. Step 3: Cross multiply
    344,023.80x = 514,998.90 × 302,551.80
  4. Step 4: Simplify right side
    344,023.80x = 155,813,844,193.02
  5. Step 5: Solve for x
    x = 155,813,844,193.02/344,023.80
  6. Step 6: Final answer
    x = 452,915.89

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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.