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Finding the Fourth Proportional to 606,461.40, 910,020.15 and 251,511.30

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Solution

The fourth proportional to 606,461.40, 910,020.15 and 251,511.30 is: 377,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,461.40 : 910,020.15 = 251,511.30 : x
  2. Step 2: Convert to fraction form
    606,461.40/910,020.15 = 251,511.30/x
  3. Step 3: Cross multiply
    606,461.40x = 910,020.15 × 251,511.30
  4. Step 4: Simplify right side
    606,461.40x = 228,880,350,952.70
  5. Step 5: Solve for x
    x = 228,880,350,952.70/606,461.40
  6. Step 6: Final answer
    x = 377,403.00

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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.