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Finding the Fourth Proportional to 504,126.80, 756,264.90 and 162,455.72

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Solution

The fourth proportional to 504,126.80, 756,264.90 and 162,455.72 is: 243,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,126.80 : 756,264.90 = 162,455.72 : x
  2. Step 2: Convert to fraction form
    504,126.80/756,264.90 = 162,455.72/x
  3. Step 3: Cross multiply
    504,126.80x = 756,264.90 × 162,455.72
  4. Step 4: Simplify right side
    504,126.80x = 122,859,558,840.23
  5. Step 5: Solve for x
    x = 122,859,558,840.23/504,126.80
  6. Step 6: Final answer
    x = 243,707.65

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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.