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Finding the Fourth Proportional to 504,117.52, 756,176.28 and 130,140.52

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Solution

The fourth proportional to 504,117.52, 756,176.28 and 130,140.52 is: 195,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,117.52 : 756,176.28 = 130,140.52 : x
  2. Step 2: Convert to fraction form
    504,117.52/756,176.28 = 130,140.52/x
  3. Step 3: Cross multiply
    504,117.52x = 756,176.28 × 130,140.52
  4. Step 4: Simplify right side
    504,117.52x = 98,409,174,290.87
  5. Step 5: Solve for x
    x = 98,409,174,290.87/504,117.52
  6. Step 6: Final answer
    x = 195,210.78

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Similar ratio
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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.