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Finding the Fourth Proportional to 333,976.32, 460,956.87 and 307,076.22

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Solution

The fourth proportional to 333,976.32, 460,956.87 and 307,076.22 is: 423,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,976.32 : 460,956.87 = 307,076.22 : x
  2. Step 2: Convert to fraction form
    333,976.32/460,956.87 = 307,076.22/x
  3. Step 3: Cross multiply
    333,976.32x = 460,956.87 × 307,076.22
  4. Step 4: Simplify right side
    333,976.32x = 141,548,893,222.63
  5. Step 5: Solve for x
    x = 141,548,893,222.63/333,976.32
  6. Step 6: Final answer
    x = 423,829.13

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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.