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Finding the Fourth Proportional to 478,873.51, 660,875.22 and 264,013.25

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Solution

The fourth proportional to 478,873.51, 660,875.22 and 264,013.25 is: 364,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,873.51 : 660,875.22 = 264,013.25 : x
  2. Step 2: Convert to fraction form
    478,873.51/660,875.22 = 264,013.25/x
  3. Step 3: Cross multiply
    478,873.51x = 660,875.22 × 264,013.25
  4. Step 4: Simplify right side
    478,873.51x = 174,479,811,372.29
  5. Step 5: Solve for x
    x = 174,479,811,372.29/478,873.51
  6. Step 6: Final answer
    x = 364,354.70

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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.