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Finding the Fourth Proportional to 863,710.64, 1,295,419.08 and 232,483.76

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Solution

The fourth proportional to 863,710.64, 1,295,419.08 and 232,483.76 is: 348,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,710.64 : 1,295,419.08 = 232,483.76 : x
  2. Step 2: Convert to fraction form
    863,710.64/1,295,419.08 = 232,483.76/x
  3. Step 3: Cross multiply
    863,710.64x = 1,295,419.08 × 232,483.76
  4. Step 4: Simplify right side
    863,710.64x = 301,163,898,494.14
  5. Step 5: Solve for x
    x = 301,163,898,494.14/863,710.64
  6. Step 6: Final answer
    x = 348,686.10

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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.