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Finding the Fourth Proportional to 659,658.57, 910,330.59 and 357,852.57

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Solution

The fourth proportional to 659,658.57, 910,330.59 and 357,852.57 is: 493,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,658.57 : 910,330.59 = 357,852.57 : x
  2. Step 2: Convert to fraction form
    659,658.57/910,330.59 = 357,852.57/x
  3. Step 3: Cross multiply
    659,658.57x = 910,330.59 × 357,852.57
  4. Step 4: Simplify right side
    659,658.57x = 325,764,141,181.12
  5. Step 5: Solve for x
    x = 325,764,141,181.12/659,658.57
  6. Step 6: Final answer
    x = 493,837.50

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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.