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Finding the Fourth Proportional to 504,401.80, 756,602.70 and 255,569.80

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Solution

The fourth proportional to 504,401.80, 756,602.70 and 255,569.80 is: 383,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,401.80 : 756,602.70 = 255,569.80 : x
  2. Step 2: Convert to fraction form
    504,401.80/756,602.70 = 255,569.80/x
  3. Step 3: Cross multiply
    504,401.80x = 756,602.70 × 255,569.80
  4. Step 4: Simplify right side
    504,401.80x = 193,364,800,718.46
  5. Step 5: Solve for x
    x = 193,364,800,718.46/504,401.80
  6. Step 6: Final answer
    x = 383,354.70

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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.