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Finding the Fourth Proportional to 474,794.98, 655,225.29 and 259,931.62

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Solution

The fourth proportional to 474,794.98, 655,225.29 and 259,931.62 is: 358,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,794.98 : 655,225.29 = 259,931.62 : x
  2. Step 2: Convert to fraction form
    474,794.98/655,225.29 = 259,931.62/x
  3. Step 3: Cross multiply
    474,794.98x = 655,225.29 × 259,931.62
  4. Step 4: Simplify right side
    474,794.98x = 170,313,771,094.67
  5. Step 5: Solve for x
    x = 170,313,771,094.67/474,794.98
  6. Step 6: Final answer
    x = 358,710.13

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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.