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Finding the Fourth Proportional to 560,080.05, 839,117.70 and 340,590.30

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Solution

The fourth proportional to 560,080.05, 839,117.70 and 340,590.30 is: 510,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,080.05 : 839,117.70 = 340,590.30 : x
  2. Step 2: Convert to fraction form
    560,080.05/839,117.70 = 340,590.30/x
  3. Step 3: Cross multiply
    560,080.05x = 839,117.70 × 340,590.30
  4. Step 4: Simplify right side
    560,080.05x = 285,795,349,178.31
  5. Step 5: Solve for x
    x = 285,795,349,178.31/560,080.05
  6. Step 6: Final answer
    x = 510,275.90

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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.