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Finding the Fourth Proportional to 607,772.20, 911,658.30 and 537,788.20

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Solution

The fourth proportional to 607,772.20, 911,658.30 and 537,788.20 is: 806,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,772.20 : 911,658.30 = 537,788.20 : x
  2. Step 2: Convert to fraction form
    607,772.20/911,658.30 = 537,788.20/x
  3. Step 3: Cross multiply
    607,772.20x = 911,658.30 × 537,788.20
  4. Step 4: Simplify right side
    607,772.20x = 490,279,076,172.06
  5. Step 5: Solve for x
    x = 490,279,076,172.06/607,772.20
  6. Step 6: Final answer
    x = 806,682.30

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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.