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Finding the Fourth Proportional to 604,807.63, 906,702.96 and 404,516.70

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Solution

The fourth proportional to 604,807.63, 906,702.96 and 404,516.70 is: 606,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,807.63 : 906,702.96 = 404,516.70 : x
  2. Step 2: Convert to fraction form
    604,807.63/906,702.96 = 404,516.70/x
  3. Step 3: Cross multiply
    604,807.63x = 906,702.96 × 404,516.70
  4. Step 4: Simplify right side
    604,807.63x = 366,776,489,259.43
  5. Step 5: Solve for x
    x = 366,776,489,259.43/604,807.63
  6. Step 6: Final answer
    x = 606,434.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.