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Finding the Fourth Proportional to 478,924.02, 660,864.60 and 264,051.36

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Solution

The fourth proportional to 478,924.02, 660,864.60 and 264,051.36 is: 364,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,924.02 : 660,864.60 = 264,051.36 : x
  2. Step 2: Convert to fraction form
    478,924.02/660,864.60 = 264,051.36/x
  3. Step 3: Cross multiply
    478,924.02x = 660,864.60 × 264,051.36
  4. Step 4: Simplify right side
    478,924.02x = 174,502,196,405.86
  5. Step 5: Solve for x
    x = 174,502,196,405.86/478,924.02
  6. Step 6: Final answer
    x = 364,363.01

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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.