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Finding the Fourth Proportional to 495,215.99, 742,607.66 and 175,261.51

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Solution

The fourth proportional to 495,215.99, 742,607.66 and 175,261.51 is: 262,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,215.99 : 742,607.66 = 175,261.51 : x
  2. Step 2: Convert to fraction form
    495,215.99/742,607.66 = 175,261.51/x
  3. Step 3: Cross multiply
    495,215.99x = 742,607.66 × 175,261.51
  4. Step 4: Simplify right side
    495,215.99x = 130,150,538,410.80
  5. Step 5: Solve for x
    x = 130,150,538,410.80/495,215.99
  6. Step 6: Final answer
    x = 262,815.71

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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.