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Finding the Fourth Proportional to 300,332.40, 450,564.84 and 113,345.52

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Solution

The fourth proportional to 300,332.40, 450,564.84 and 113,345.52 is: 170,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,332.40 : 450,564.84 = 113,345.52 : x
  2. Step 2: Convert to fraction form
    300,332.40/450,564.84 = 113,345.52/x
  3. Step 3: Cross multiply
    300,332.40x = 450,564.84 × 113,345.52
  4. Step 4: Simplify right side
    300,332.40x = 51,069,506,083.52
  5. Step 5: Solve for x
    x = 51,069,506,083.52/300,332.40
  6. Step 6: Final answer
    x = 170,043.28

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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.