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Finding the Fourth Proportional to 504,189.60, 755,362.80 and 410,186.40

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Solution

The fourth proportional to 504,189.60, 755,362.80 and 410,186.40 is: 614,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,189.60 : 755,362.80 = 410,186.40 : x
  2. Step 2: Convert to fraction form
    504,189.60/755,362.80 = 410,186.40/x
  3. Step 3: Cross multiply
    504,189.60x = 755,362.80 × 410,186.40
  4. Step 4: Simplify right side
    504,189.60x = 309,839,547,625.92
  5. Step 5: Solve for x
    x = 309,839,547,625.92/504,189.60
  6. Step 6: Final answer
    x = 614,529.83

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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.