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Finding the Fourth Proportional to 607,344.30, 910,579.05 and 341,186.40

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Solution

The fourth proportional to 607,344.30, 910,579.05 and 341,186.40 is: 511,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,344.30 : 910,579.05 = 341,186.40 : x
  2. Step 2: Convert to fraction form
    607,344.30/910,579.05 = 341,186.40/x
  3. Step 3: Cross multiply
    607,344.30x = 910,579.05 × 341,186.40
  4. Step 4: Simplify right side
    607,344.30x = 310,677,187,984.92
  5. Step 5: Solve for x
    x = 310,677,187,984.92/607,344.30
  6. Step 6: Final answer
    x = 511,533.88

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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.