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Finding the Fourth Proportional to 357,556.69, 493,287.15 and 230,306.14

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Solution

The fourth proportional to 357,556.69, 493,287.15 and 230,306.14 is: 317,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,556.69 : 493,287.15 = 230,306.14 : x
  2. Step 2: Convert to fraction form
    357,556.69/493,287.15 = 230,306.14/x
  3. Step 3: Cross multiply
    357,556.69x = 493,287.15 × 230,306.14
  4. Step 4: Simplify right side
    357,556.69x = 113,607,059,428.10
  5. Step 5: Solve for x
    x = 113,607,059,428.10/357,556.69
  6. Step 6: Final answer
    x = 317,731.60

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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.