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Finding the Fourth Proportional to 634,621.50, 875,803.59 and 366,349.50

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Solution

The fourth proportional to 634,621.50, 875,803.59 and 366,349.50 is: 505,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,621.50 : 875,803.59 = 366,349.50 : x
  2. Step 2: Convert to fraction form
    634,621.50/875,803.59 = 366,349.50/x
  3. Step 3: Cross multiply
    634,621.50x = 875,803.59 × 366,349.50
  4. Step 4: Simplify right side
    634,621.50x = 320,850,207,294.71
  5. Step 5: Solve for x
    x = 320,850,207,294.71/634,621.50
  6. Step 6: Final answer
    x = 505,577.27

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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.