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Finding the Fourth Proportional to 882,653.76, 1,322,818.56 and 349,884.36

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Solution

The fourth proportional to 882,653.76, 1,322,818.56 and 349,884.36 is: 524,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,653.76 : 1,322,818.56 = 349,884.36 : x
  2. Step 2: Convert to fraction form
    882,653.76/1,322,818.56 = 349,884.36/x
  3. Step 3: Cross multiply
    882,653.76x = 1,322,818.56 × 349,884.36
  4. Step 4: Simplify right side
    882,653.76x = 462,833,525,261.72
  5. Step 5: Solve for x
    x = 462,833,525,261.72/882,653.76
  6. Step 6: Final answer
    x = 524,365.89

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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.