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Finding the Fourth Proportional to 292,884.76, 439,361.77 and 103,305.58

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Solution

The fourth proportional to 292,884.76, 439,361.77 and 103,305.58 is: 154,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,884.76 : 439,361.77 = 103,305.58 : x
  2. Step 2: Convert to fraction form
    292,884.76/439,361.77 = 103,305.58/x
  3. Step 3: Cross multiply
    292,884.76x = 439,361.77 × 103,305.58
  4. Step 4: Simplify right side
    292,884.76x = 45,388,521,316.71
  5. Step 5: Solve for x
    x = 45,388,521,316.71/292,884.76
  6. Step 6: Final answer
    x = 154,970.58

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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.