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Finding the Fourth Proportional to 495,216.99, 742,609.16 and 175,262.51

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Solution

The fourth proportional to 495,216.99, 742,609.16 and 175,262.51 is: 262,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,216.99 : 742,609.16 = 175,262.51 : x
  2. Step 2: Convert to fraction form
    495,216.99/742,609.16 = 175,262.51/x
  3. Step 3: Cross multiply
    495,216.99x = 742,609.16 × 175,262.51
  4. Step 4: Simplify right side
    495,216.99x = 130,151,545,330.59
  5. Step 5: Solve for x
    x = 130,151,545,330.59/495,216.99
  6. Step 6: Final answer
    x = 262,817.21

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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.