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Finding the Fourth Proportional to 358,814.71, 538,234.35 and 190,106.83

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Solution

The fourth proportional to 358,814.71, 538,234.35 and 190,106.83 is: 285,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,814.71 : 538,234.35 = 190,106.83 : x
  2. Step 2: Convert to fraction form
    358,814.71/538,234.35 = 190,106.83/x
  3. Step 3: Cross multiply
    358,814.71x = 538,234.35 × 190,106.83
  4. Step 4: Simplify right side
    358,814.71x = 102,322,026,075.61
  5. Step 5: Solve for x
    x = 102,322,026,075.61/358,814.71
  6. Step 6: Final answer
    x = 285,166.75

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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.