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Finding the Fourth Proportional to 535,483.60, 803,340.60 and 161,544.40

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Solution

The fourth proportional to 535,483.60, 803,340.60 and 161,544.40 is: 242,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,483.60 : 803,340.60 = 161,544.40 : x
  2. Step 2: Convert to fraction form
    535,483.60/803,340.60 = 161,544.40/x
  3. Step 3: Cross multiply
    535,483.60x = 803,340.60 × 161,544.40
  4. Step 4: Simplify right side
    535,483.60x = 129,775,175,222.64
  5. Step 5: Solve for x
    x = 129,775,175,222.64/535,483.60
  6. Step 6: Final answer
    x = 242,351.35

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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.