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Finding the Fourth Proportional to 659,604.84, 910,253.04 and 357,798.84

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Solution

The fourth proportional to 659,604.84, 910,253.04 and 357,798.84 is: 493,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,604.84 : 910,253.04 = 357,798.84 : x
  2. Step 2: Convert to fraction form
    659,604.84/910,253.04 = 357,798.84/x
  3. Step 3: Cross multiply
    659,604.84x = 910,253.04 × 357,798.84
  4. Step 4: Simplify right side
    659,604.84x = 325,687,481,818.47
  5. Step 5: Solve for x
    x = 325,687,481,818.47/659,604.84
  6. Step 6: Final answer
    x = 493,761.51

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Double scale
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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.