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Finding the Fourth Proportional to 379,384.84, 569,482.40 and 163,350.59

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Solution

The fourth proportional to 379,384.84, 569,482.40 and 163,350.59 is: 245,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,384.84 : 569,482.40 = 163,350.59 : x
  2. Step 2: Convert to fraction form
    379,384.84/569,482.40 = 163,350.59/x
  3. Step 3: Cross multiply
    379,384.84x = 569,482.40 × 163,350.59
  4. Step 4: Simplify right side
    379,384.84x = 93,025,286,641.57
  5. Step 5: Solve for x
    x = 93,025,286,641.57/379,384.84
  6. Step 6: Final answer
    x = 245,200.32

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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.