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Finding the Fourth Proportional to 493,151.04, 680,613.12 and 366,189.12

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Solution

The fourth proportional to 493,151.04, 680,613.12 and 366,189.12 is: 505,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,151.04 : 680,613.12 = 366,189.12 : x
  2. Step 2: Convert to fraction form
    493,151.04/680,613.12 = 366,189.12/x
  3. Step 3: Cross multiply
    493,151.04x = 680,613.12 × 366,189.12
  4. Step 4: Simplify right side
    493,151.04x = 249,233,119,473.25
  5. Step 5: Solve for x
    x = 249,233,119,473.25/493,151.04
  6. Step 6: Final answer
    x = 505,389.02

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1.5x scale

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.