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Finding the Fourth Proportional to 536,390.52, 804,585.08 and 137,031.60

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Solution

The fourth proportional to 536,390.52, 804,585.08 and 137,031.60 is: 205,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,390.52 : 804,585.08 = 137,031.60 : x
  2. Step 2: Convert to fraction form
    536,390.52/804,585.08 = 137,031.60/x
  3. Step 3: Cross multiply
    536,390.52x = 804,585.08 × 137,031.60
  4. Step 4: Simplify right side
    536,390.52x = 110,253,580,848.53
  5. Step 5: Solve for x
    x = 110,253,580,848.53/536,390.52
  6. Step 6: Final answer
    x = 205,547.22

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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.