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Finding the Fourth Proportional to 421,494.04, 581,649.98 and 230,503.33

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Solution

The fourth proportional to 421,494.04, 581,649.98 and 230,503.33 is: 318,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,494.04 : 581,649.98 = 230,503.33 : x
  2. Step 2: Convert to fraction form
    421,494.04/581,649.98 = 230,503.33/x
  3. Step 3: Cross multiply
    421,494.04x = 581,649.98 × 230,503.33
  4. Step 4: Simplify right side
    421,494.04x = 134,072,257,284.43
  5. Step 5: Solve for x
    x = 134,072,257,284.43/421,494.04
  6. Step 6: Final answer
    x = 318,088.14

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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.