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Finding the Fourth Proportional to 653,006.18, 901,099.09 and 366,470.91

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Solution

The fourth proportional to 653,006.18, 901,099.09 and 366,470.91 is: 505,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,006.18 : 901,099.09 = 366,470.91 : x
  2. Step 2: Convert to fraction form
    653,006.18/901,099.09 = 366,470.91/x
  3. Step 3: Cross multiply
    653,006.18x = 901,099.09 × 366,470.91
  4. Step 4: Simplify right side
    653,006.18x = 330,226,603,512.47
  5. Step 5: Solve for x
    x = 330,226,603,512.47/653,006.18
  6. Step 6: Final answer
    x = 505,702.11

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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.