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Finding the Fourth Proportional to 610,607.76, 841,665.11 and 481,335.42

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Solution

The fourth proportional to 610,607.76, 841,665.11 and 481,335.42 is: 663,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,607.76 : 841,665.11 = 481,335.42 : x
  2. Step 2: Convert to fraction form
    610,607.76/841,665.11 = 481,335.42/x
  3. Step 3: Cross multiply
    610,607.76x = 841,665.11 × 481,335.42
  4. Step 4: Simplify right side
    610,607.76x = 405,123,226,814.52
  5. Step 5: Solve for x
    x = 405,123,226,814.52/610,607.76
  6. Step 6: Final answer
    x = 663,475.40

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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.