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Finding the Fourth Proportional to 526,812.34, 790,458.41 and 223,289.68

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Solution

The fourth proportional to 526,812.34, 790,458.41 and 223,289.68 is: 335,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,812.34 : 790,458.41 = 223,289.68 : x
  2. Step 2: Convert to fraction form
    526,812.34/790,458.41 = 223,289.68/x
  3. Step 3: Cross multiply
    526,812.34x = 790,458.41 × 223,289.68
  4. Step 4: Simplify right side
    526,812.34x = 176,501,205,422.21
  5. Step 5: Solve for x
    x = 176,501,205,422.21/526,812.34
  6. Step 6: Final answer
    x = 335,036.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.