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Finding the Fourth Proportional to 369,021.76, 509,332.92 and 241,623.28

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Solution

The fourth proportional to 369,021.76, 509,332.92 and 241,623.28 is: 333,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,021.76 : 509,332.92 = 241,623.28 : x
  2. Step 2: Convert to fraction form
    369,021.76/509,332.92 = 241,623.28/x
  3. Step 3: Cross multiply
    369,021.76x = 509,332.92 × 241,623.28
  4. Step 4: Simplify right side
    369,021.76x = 123,066,690,742.38
  5. Step 5: Solve for x
    x = 123,066,690,742.38/369,021.76
  6. Step 6: Final answer
    x = 333,494.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.