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Finding the Fourth Proportional to 356,457.92, 534,686.88 and 119,800.60

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Solution

The fourth proportional to 356,457.92, 534,686.88 and 119,800.60 is: 179,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,457.92 : 534,686.88 = 119,800.60 : x
  2. Step 2: Convert to fraction form
    356,457.92/534,686.88 = 119,800.60/x
  3. Step 3: Cross multiply
    356,457.92x = 534,686.88 × 119,800.60
  4. Step 4: Simplify right side
    356,457.92x = 64,055,809,036.13
  5. Step 5: Solve for x
    x = 64,055,809,036.13/356,457.92
  6. Step 6: Final answer
    x = 179,700.90

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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.