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Finding the Fourth Proportional to 1,266,656.16, 1,899,746.40 and 635,400.48

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Solution

The fourth proportional to 1,266,656.16, 1,899,746.40 and 635,400.48 is: 952,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,656.16 : 1,899,746.40 = 635,400.48 : x
  2. Step 2: Convert to fraction form
    1,266,656.16/1,899,746.40 = 635,400.48/x
  3. Step 3: Cross multiply
    1,266,656.16x = 1,899,746.40 × 635,400.48
  4. Step 4: Simplify right side
    1,266,656.16x = 1,207,099,774,438.27
  5. Step 5: Solve for x
    x = 1,207,099,774,438.27/1,266,656.16
  6. Step 6: Final answer
    x = 952,981.41

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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.