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Finding the Fourth Proportional to 668,953.92, 923,333.40 and 414,160.32

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Solution

The fourth proportional to 668,953.92, 923,333.40 and 414,160.32 is: 571,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,953.92 : 923,333.40 = 414,160.32 : x
  2. Step 2: Convert to fraction form
    668,953.92/923,333.40 = 414,160.32/x
  3. Step 3: Cross multiply
    668,953.92x = 923,333.40 × 414,160.32
  4. Step 4: Simplify right side
    668,953.92x = 382,408,056,410.69
  5. Step 5: Solve for x
    x = 382,408,056,410.69/668,953.92
  6. Step 6: Final answer
    x = 571,650.82

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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.