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Finding the Fourth Proportional to 497,428.32, 746,288.40 and 160,462.32

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Solution

The fourth proportional to 497,428.32, 746,288.40 and 160,462.32 is: 240,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,428.32 : 746,288.40 = 160,462.32 : x
  2. Step 2: Convert to fraction form
    497,428.32/746,288.40 = 160,462.32/x
  3. Step 3: Cross multiply
    497,428.32x = 746,288.40 × 160,462.32
  4. Step 4: Simplify right side
    497,428.32x = 119,751,168,053.09
  5. Step 5: Solve for x
    x = 119,751,168,053.09/497,428.32
  6. Step 6: Final answer
    x = 240,740.55

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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.