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Finding the Fourth Proportional to 659,902.57, 910,665.55 and 358,096.57

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Solution

The fourth proportional to 659,902.57, 910,665.55 and 358,096.57 is: 494,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,902.57 : 910,665.55 = 358,096.57 : x
  2. Step 2: Convert to fraction form
    659,902.57/910,665.55 = 358,096.57/x
  3. Step 3: Cross multiply
    659,902.57x = 910,665.55 × 358,096.57
  4. Step 4: Simplify right side
    659,902.57x = 326,106,209,093.65
  5. Step 5: Solve for x
    x = 326,106,209,093.65/659,902.57
  6. Step 6: Final answer
    x = 494,173.27

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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.