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Finding the Fourth Proportional to 488,802.59, 733,259.27 and 438,574.08

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Solution

The fourth proportional to 488,802.59, 733,259.27 and 438,574.08 is: 657,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,802.59 : 733,259.27 = 438,574.08 : x
  2. Step 2: Convert to fraction form
    488,802.59/733,259.27 = 438,574.08/x
  3. Step 3: Cross multiply
    488,802.59x = 733,259.27 × 438,574.08
  4. Step 4: Simplify right side
    488,802.59x = 321,588,509,741.72
  5. Step 5: Solve for x
    x = 321,588,509,741.72/488,802.59
  6. Step 6: Final answer
    x = 657,910.81

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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.