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Finding the Fourth Proportional to 656,558.76, 906,038.42 and 370,073.32

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Solution

The fourth proportional to 656,558.76, 906,038.42 and 370,073.32 is: 510,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,558.76 : 906,038.42 = 370,073.32 : x
  2. Step 2: Convert to fraction form
    656,558.76/906,038.42 = 370,073.32/x
  3. Step 3: Cross multiply
    656,558.76x = 906,038.42 × 370,073.32
  4. Step 4: Simplify right side
    656,558.76x = 335,300,646,136.95
  5. Step 5: Solve for x
    x = 335,300,646,136.95/656,558.76
  6. Step 6: Final answer
    x = 510,694.04

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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.