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Finding the Fourth Proportional to 404,160.60, 607,553.10 and 286,645.80

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Solution

The fourth proportional to 404,160.60, 607,553.10 and 286,645.80 is: 430,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,160.60 : 607,553.10 = 286,645.80 : x
  2. Step 2: Convert to fraction form
    404,160.60/607,553.10 = 286,645.80/x
  3. Step 3: Cross multiply
    404,160.60x = 607,553.10 × 286,645.80
  4. Step 4: Simplify right side
    404,160.60x = 174,152,544,391.98
  5. Step 5: Solve for x
    x = 174,152,544,391.98/404,160.60
  6. Step 6: Final answer
    x = 430,899.36

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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.