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Finding the Fourth Proportional to 478,866.43, 660,875.04 and 264,026.89

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Solution

The fourth proportional to 478,866.43, 660,875.04 and 264,026.89 is: 364,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,866.43 : 660,875.04 = 264,026.89 : x
  2. Step 2: Convert to fraction form
    478,866.43/660,875.04 = 264,026.89/x
  3. Step 3: Cross multiply
    478,866.43x = 660,875.04 × 264,026.89
  4. Step 4: Simplify right side
    478,866.43x = 174,488,776,865.32
  5. Step 5: Solve for x
    x = 174,488,776,865.32/478,866.43
  6. Step 6: Final answer
    x = 364,378.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.