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Finding the Fourth Proportional to 600,657.26, 900,985.89 and 276,412.64

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Solution

The fourth proportional to 600,657.26, 900,985.89 and 276,412.64 is: 414,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,657.26 : 900,985.89 = 276,412.64 : x
  2. Step 2: Convert to fraction form
    600,657.26/900,985.89 = 276,412.64/x
  3. Step 3: Cross multiply
    600,657.26x = 900,985.89 × 276,412.64
  4. Step 4: Simplify right side
    600,657.26x = 249,043,888,457.65
  5. Step 5: Solve for x
    x = 249,043,888,457.65/600,657.26
  6. Step 6: Final answer
    x = 414,618.96

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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.