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Finding the Fourth Proportional to 356,559.99, 492,056.69 and 195,411.57

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Solution

The fourth proportional to 356,559.99, 492,056.69 and 195,411.57 is: 269,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,559.99 : 492,056.69 = 195,411.57 : x
  2. Step 2: Convert to fraction form
    356,559.99/492,056.69 = 195,411.57/x
  3. Step 3: Cross multiply
    356,559.99x = 492,056.69 × 195,411.57
  4. Step 4: Simplify right side
    356,559.99x = 96,153,569,344.85
  5. Step 5: Solve for x
    x = 96,153,569,344.85/356,559.99
  6. Step 6: Final answer
    x = 269,670.10

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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.