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Finding the Fourth Proportional to 336,509.18, 503,578.94 and 210,208.91

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Solution

The fourth proportional to 336,509.18, 503,578.94 and 210,208.91 is: 314,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,509.18 : 503,578.94 = 210,208.91 : x
  2. Step 2: Convert to fraction form
    336,509.18/503,578.94 = 210,208.91/x
  3. Step 3: Cross multiply
    336,509.18x = 503,578.94 × 210,208.91
  4. Step 4: Simplify right side
    336,509.18x = 105,856,776,507.42
  5. Step 5: Solve for x
    x = 105,856,776,507.42/336,509.18
  6. Step 6: Final answer
    x = 314,573.22

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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.