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Finding the Fourth Proportional to 668,949.84, 923,153.19 and 363,026.15

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Solution

The fourth proportional to 668,949.84, 923,153.19 and 363,026.15 is: 500,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,949.84 : 923,153.19 = 363,026.15 : x
  2. Step 2: Convert to fraction form
    668,949.84/923,153.19 = 363,026.15/x
  3. Step 3: Cross multiply
    668,949.84x = 923,153.19 × 363,026.15
  4. Step 4: Simplify right side
    668,949.84x = 335,128,748,425.92
  5. Step 5: Solve for x
    x = 335,128,748,425.92/668,949.84
  6. Step 6: Final answer
    x = 500,977.40

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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.