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Finding the Fourth Proportional to 535,308.35, 803,172.69 and 235,578.68

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Solution

The fourth proportional to 535,308.35, 803,172.69 and 235,578.68 is: 353,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,308.35 : 803,172.69 = 235,578.68 : x
  2. Step 2: Convert to fraction form
    535,308.35/803,172.69 = 235,578.68/x
  3. Step 3: Cross multiply
    535,308.35x = 803,172.69 × 235,578.68
  4. Step 4: Simplify right side
    535,308.35x = 189,210,360,455.72
  5. Step 5: Solve for x
    x = 189,210,360,455.72/535,308.35
  6. Step 6: Final answer
    x = 353,460.51

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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.