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Finding the Fourth Proportional to 349,897.36, 482,924.28 and 219,135.64

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Solution

The fourth proportional to 349,897.36, 482,924.28 and 219,135.64 is: 302,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,897.36 : 482,924.28 = 219,135.64 : x
  2. Step 2: Convert to fraction form
    349,897.36/482,924.28 = 219,135.64/x
  3. Step 3: Cross multiply
    349,897.36x = 482,924.28 × 219,135.64
  4. Step 4: Simplify right side
    349,897.36x = 105,825,921,169.34
  5. Step 5: Solve for x
    x = 105,825,921,169.34/349,897.36
  6. Step 6: Final answer
    x = 302,448.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.