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Finding the Fourth Proportional to 559,953.80, 839,930.70 and 360,499.40

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Solution

The fourth proportional to 559,953.80, 839,930.70 and 360,499.40 is: 540,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,953.80 : 839,930.70 = 360,499.40 : x
  2. Step 2: Convert to fraction form
    559,953.80/839,930.70 = 360,499.40/x
  3. Step 3: Cross multiply
    559,953.80x = 839,930.70 × 360,499.40
  4. Step 4: Simplify right side
    559,953.80x = 302,794,513,391.58
  5. Step 5: Solve for x
    x = 302,794,513,391.58/559,953.80
  6. Step 6: Final answer
    x = 540,749.10

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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.