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Finding the Fourth Proportional to 478,952.84, 660,921.12 and 264,088.33

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Solution

The fourth proportional to 478,952.84, 660,921.12 and 264,088.33 is: 364,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,952.84 : 660,921.12 = 264,088.33 : x
  2. Step 2: Convert to fraction form
    478,952.84/660,921.12 = 264,088.33/x
  3. Step 3: Cross multiply
    478,952.84x = 660,921.12 × 264,088.33
  4. Step 4: Simplify right side
    478,952.84x = 174,541,554,842.53
  5. Step 5: Solve for x
    x = 174,541,554,842.53/478,952.84
  6. Step 6: Final answer
    x = 364,423.26

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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.