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Finding the Fourth Proportional to 493,597.65, 740,302.80 and 240,623.71

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Solution

The fourth proportional to 493,597.65, 740,302.80 and 240,623.71 is: 360,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,597.65 : 740,302.80 = 240,623.71 : x
  2. Step 2: Convert to fraction form
    493,597.65/740,302.80 = 240,623.71/x
  3. Step 3: Cross multiply
    493,597.65x = 740,302.80 × 240,623.71
  4. Step 4: Simplify right side
    493,597.65x = 178,134,406,259.39
  5. Step 5: Solve for x
    x = 178,134,406,259.39/493,597.65
  6. Step 6: Final answer
    x = 360,889.90

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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.