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Finding the Fourth Proportional to 356,683.47, 492,223.13 and 195,539.66

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Solution

The fourth proportional to 356,683.47, 492,223.13 and 195,539.66 is: 269,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,683.47 : 492,223.13 = 195,539.66 : x
  2. Step 2: Convert to fraction form
    356,683.47/492,223.13 = 195,539.66/x
  3. Step 3: Cross multiply
    356,683.47x = 492,223.13 × 195,539.66
  4. Step 4: Simplify right side
    356,683.47x = 96,249,140,045.52
  5. Step 5: Solve for x
    x = 96,249,140,045.52/356,683.47
  6. Step 6: Final answer
    x = 269,844.69

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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.