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Finding the Fourth Proportional to 358,424.70, 537,480.81 and 109,048.38

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Solution

The fourth proportional to 358,424.70, 537,480.81 and 109,048.38 is: 163,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,424.70 : 537,480.81 = 109,048.38 : x
  2. Step 2: Convert to fraction form
    358,424.70/537,480.81 = 109,048.38/x
  3. Step 3: Cross multiply
    358,424.70x = 537,480.81 × 109,048.38
  4. Step 4: Simplify right side
    358,424.70x = 58,611,411,611.59
  5. Step 5: Solve for x
    x = 58,611,411,611.59/358,424.70
  6. Step 6: Final answer
    x = 163,525.03

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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.