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Finding the Fourth Proportional to 637,486.07, 951,564.98 and 561,820.32

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Solution

The fourth proportional to 637,486.07, 951,564.98 and 561,820.32 is: 838,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,486.07 : 951,564.98 = 561,820.32 : x
  2. Step 2: Convert to fraction form
    637,486.07/951,564.98 = 561,820.32/x
  3. Step 3: Cross multiply
    637,486.07x = 951,564.98 × 561,820.32
  4. Step 4: Simplify right side
    637,486.07x = 534,608,542,968.94
  5. Step 5: Solve for x
    x = 534,608,542,968.94/637,486.07
  6. Step 6: Final answer
    x = 838,619.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.