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Finding the Fourth Proportional to 584,476.80, 877,060.80 and 210,451.20

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Solution

The fourth proportional to 584,476.80, 877,060.80 and 210,451.20 is: 315,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,476.80 : 877,060.80 = 210,451.20 : x
  2. Step 2: Convert to fraction form
    584,476.80/877,060.80 = 210,451.20/x
  3. Step 3: Cross multiply
    584,476.80x = 877,060.80 × 210,451.20
  4. Step 4: Simplify right side
    584,476.80x = 184,578,497,832.96
  5. Step 5: Solve for x
    x = 184,578,497,832.96/584,476.80
  6. Step 6: Final answer
    x = 315,801.24

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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.