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Finding the Fourth Proportional to 535,293.60, 803,048.40 and 156,213.60

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Solution

The fourth proportional to 535,293.60, 803,048.40 and 156,213.60 is: 234,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,293.60 : 803,048.40 = 156,213.60 : x
  2. Step 2: Convert to fraction form
    535,293.60/803,048.40 = 156,213.60/x
  3. Step 3: Cross multiply
    535,293.60x = 803,048.40 × 156,213.60
  4. Step 4: Simplify right side
    535,293.60x = 125,447,081,538.24
  5. Step 5: Solve for x
    x = 125,447,081,538.24/535,293.60
  6. Step 6: Final answer
    x = 234,351.92

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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.