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Finding the Fourth Proportional to 882,538, 1,323,516.54 and 283,356.64

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Solution

The fourth proportional to 882,538, 1,323,516.54 and 283,356.64 is: 424,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,538 : 1,323,516.54 = 283,356.64 : x
  2. Step 2: Convert to fraction form
    882,538/1,323,516.54 = 283,356.64/x
  3. Step 3: Cross multiply
    882,538x = 1,323,516.54 × 283,356.64
  4. Step 4: Simplify right side
    882,538x = 375,027,199,758.83
  5. Step 5: Solve for x
    x = 375,027,199,758.83/882,538
  6. Step 6: Final answer
    x = 424,941.70

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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.