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Finding the Fourth Proportional to 356,568.65, 492,068.59 and 195,420.23

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Solution

The fourth proportional to 356,568.65, 492,068.59 and 195,420.23 is: 269,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,568.65 : 492,068.59 = 195,420.23 : x
  2. Step 2: Convert to fraction form
    356,568.65/492,068.59 = 195,420.23/x
  3. Step 3: Cross multiply
    356,568.65x = 492,068.59 × 195,420.23
  4. Step 4: Simplify right side
    356,568.65x = 96,160,154,826.30
  5. Step 5: Solve for x
    x = 96,160,154,826.30/356,568.65
  6. Step 6: Final answer
    x = 269,682.02

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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.