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Finding the Fourth Proportional to 634,572, 875,693.34 and 362,622.60

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Solution

The fourth proportional to 634,572, 875,693.34 and 362,622.60 is: 500,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,572 : 875,693.34 = 362,622.60 : x
  2. Step 2: Convert to fraction form
    634,572/875,693.34 = 362,622.60/x
  3. Step 3: Cross multiply
    634,572x = 875,693.34 × 362,622.60
  4. Step 4: Simplify right side
    634,572x = 317,546,195,753.48
  5. Step 5: Solve for x
    x = 317,546,195,753.48/634,572
  6. Step 6: Final answer
    x = 500,410.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.