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Finding the Fourth Proportional to 356,574.18, 492,050.05 and 195,417.79

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Solution

The fourth proportional to 356,574.18, 492,050.05 and 195,417.79 is: 269,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,574.18 : 492,050.05 = 195,417.79 : x
  2. Step 2: Convert to fraction form
    356,574.18/492,050.05 = 195,417.79/x
  3. Step 3: Cross multiply
    356,574.18x = 492,050.05 × 195,417.79
  4. Step 4: Simplify right side
    356,574.18x = 96,155,334,379.64
  5. Step 5: Solve for x
    x = 96,155,334,379.64/356,574.18
  6. Step 6: Final answer
    x = 269,664.33

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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.