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Finding the Fourth Proportional to 504,434,562.80, 756,651,844.20 and 309,714,580.40

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Solution

The fourth proportional to 504,434,562.80, 756,651,844.20 and 309,714,580.40 is: 464,571,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,434,562.80 : 756,651,844.20 = 309,714,580.40 : x
  2. Step 2: Convert to fraction form
    504,434,562.80/756,651,844.20 = 309,714,580.40/x
  3. Step 3: Cross multiply
    504,434,562.80x = 756,651,844.20 × 309,714,580.40
  4. Step 4: Simplify right side
    504,434,562.80x = 234,346,108,435,289,184
  5. Step 5: Solve for x
    x = 234,346,108,435,289,184/504,434,562.80
  6. Step 6: Final answer
    x = 464,571,870.60

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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.