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Finding the Fourth Proportional to 493,873.80, 740,810.70 and 161,483.40

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Solution

The fourth proportional to 493,873.80, 740,810.70 and 161,483.40 is: 242,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,873.80 : 740,810.70 = 161,483.40 : x
  2. Step 2: Convert to fraction form
    493,873.80/740,810.70 = 161,483.40/x
  3. Step 3: Cross multiply
    493,873.80x = 740,810.70 × 161,483.40
  4. Step 4: Simplify right side
    493,873.80x = 119,628,630,592.38
  5. Step 5: Solve for x
    x = 119,628,630,592.38/493,873.80
  6. Step 6: Final answer
    x = 242,225.10

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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.