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Finding the Fourth Proportional to 336,303,611.70, 504,455,417.55 and 250,210,169.70

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Solution

The fourth proportional to 336,303,611.70, 504,455,417.55 and 250,210,169.70 is: 375,315,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,303,611.70 : 504,455,417.55 = 250,210,169.70 : x
  2. Step 2: Convert to fraction form
    336,303,611.70/504,455,417.55 = 250,210,169.70/x
  3. Step 3: Cross multiply
    336,303,611.70x = 504,455,417.55 × 250,210,169.70
  4. Step 4: Simplify right side
    336,303,611.70x = 126,219,875,631,269,856
  5. Step 5: Solve for x
    x = 126,219,875,631,269,856/336,303,611.70
  6. Step 6: Final answer
    x = 375,315,254.55

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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.