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Finding the Fourth Proportional to 668,908.02, 923,088.30 and 362,976.63

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Solution

The fourth proportional to 668,908.02, 923,088.30 and 362,976.63 is: 500,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,908.02 : 923,088.30 = 362,976.63 : x
  2. Step 2: Convert to fraction form
    668,908.02/923,088.30 = 362,976.63/x
  3. Step 3: Cross multiply
    668,908.02x = 923,088.30 × 362,976.63
  4. Step 4: Simplify right side
    668,908.02x = 335,059,480,326.43
  5. Step 5: Solve for x
    x = 335,059,480,326.43/668,908.02
  6. Step 6: Final answer
    x = 500,905.16

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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.