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Finding the Fourth Proportional to 610,115.13, 841,674.11 and 383,885.37

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Solution

The fourth proportional to 610,115.13, 841,674.11 and 383,885.37 is: 529,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,115.13 : 841,674.11 = 383,885.37 : x
  2. Step 2: Convert to fraction form
    610,115.13/841,674.11 = 383,885.37/x
  3. Step 3: Cross multiply
    610,115.13x = 841,674.11 × 383,885.37
  4. Step 4: Simplify right side
    610,115.13x = 323,106,375,217.34
  5. Step 5: Solve for x
    x = 323,106,375,217.34/610,115.13
  6. Step 6: Final answer
    x = 529,582.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.