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Finding the Fourth Proportional to 659,814.06, 910,548.27 and 358,008.06

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Solution

The fourth proportional to 659,814.06, 910,548.27 and 358,008.06 is: 494,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,814.06 : 910,548.27 = 358,008.06 : x
  2. Step 2: Convert to fraction form
    659,814.06/910,548.27 = 358,008.06/x
  3. Step 3: Cross multiply
    659,814.06x = 910,548.27 × 358,008.06
  4. Step 4: Simplify right side
    659,814.06x = 325,983,619,679.06
  5. Step 5: Solve for x
    x = 325,983,619,679.06/659,814.06
  6. Step 6: Final answer
    x = 494,053.76

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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.