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Finding the Fourth Proportional to 506,720.16, 760,301.28 and 240,668.64

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Solution

The fourth proportional to 506,720.16, 760,301.28 and 240,668.64 is: 361,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,720.16 : 760,301.28 = 240,668.64 : x
  2. Step 2: Convert to fraction form
    506,720.16/760,301.28 = 240,668.64/x
  3. Step 3: Cross multiply
    506,720.16x = 760,301.28 × 240,668.64
  4. Step 4: Simplify right side
    506,720.16x = 182,980,675,047.86
  5. Step 5: Solve for x
    x = 182,980,675,047.86/506,720.16
  6. Step 6: Final answer
    x = 361,107.94

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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.