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Finding the Fourth Proportional to 604,807.13, 906,702.21 and 404,516.20

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Solution

The fourth proportional to 604,807.13, 906,702.21 and 404,516.20 is: 606,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,807.13 : 906,702.21 = 404,516.20 : x
  2. Step 2: Convert to fraction form
    604,807.13/906,702.21 = 404,516.20/x
  3. Step 3: Cross multiply
    604,807.13x = 906,702.21 × 404,516.20
  4. Step 4: Simplify right side
    604,807.13x = 366,775,735,641.92
  5. Step 5: Solve for x
    x = 366,775,735,641.92/604,807.13
  6. Step 6: Final answer
    x = 606,434.21

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1.5x scale

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.