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Finding the Fourth Proportional to 335,960.40, 504,032.40 and 99,302.88

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Solution

The fourth proportional to 335,960.40, 504,032.40 and 99,302.88 is: 148,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,960.40 : 504,032.40 = 99,302.88 : x
  2. Step 2: Convert to fraction form
    335,960.40/504,032.40 = 99,302.88/x
  3. Step 3: Cross multiply
    335,960.40x = 504,032.40 × 99,302.88
  4. Step 4: Simplify right side
    335,960.40x = 50,051,868,933.31
  5. Step 5: Solve for x
    x = 50,051,868,933.31/335,960.40
  6. Step 6: Final answer
    x = 148,981.45

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1.5x scale

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.