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Finding the Fourth Proportional to 456,776.24, 685,160.58 and 357,020.28

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Solution

The fourth proportional to 456,776.24, 685,160.58 and 357,020.28 is: 535,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,776.24 : 685,160.58 = 357,020.28 : x
  2. Step 2: Convert to fraction form
    456,776.24/685,160.58 = 357,020.28/x
  3. Step 3: Cross multiply
    456,776.24x = 685,160.58 × 357,020.28
  4. Step 4: Simplify right side
    456,776.24x = 244,616,223,347.09
  5. Step 5: Solve for x
    x = 244,616,223,347.09/456,776.24
  6. Step 6: Final answer
    x = 535,527.47

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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.