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Finding the Fourth Proportional to 605,795.10, 906,943.05 and 369,599.10

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Solution

The fourth proportional to 605,795.10, 906,943.05 and 369,599.10 is: 553,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,795.10 : 906,943.05 = 369,599.10 : x
  2. Step 2: Convert to fraction form
    605,795.10/906,943.05 = 369,599.10/x
  3. Step 3: Cross multiply
    605,795.10x = 906,943.05 × 369,599.10
  4. Step 4: Simplify right side
    605,795.10x = 335,205,335,031.26
  5. Step 5: Solve for x
    x = 335,205,335,031.26/605,795.10
  6. Step 6: Final answer
    x = 553,331.21

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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.