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Finding the Fourth Proportional to 352,032.40, 485,803.74 and 190,886.95

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Solution

The fourth proportional to 352,032.40, 485,803.74 and 190,886.95 is: 263,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,032.40 : 485,803.74 = 190,886.95 : x
  2. Step 2: Convert to fraction form
    352,032.40/485,803.74 = 190,886.95/x
  3. Step 3: Cross multiply
    352,032.40x = 485,803.74 × 190,886.95
  4. Step 4: Simplify right side
    352,032.40x = 92,733,594,227.19
  5. Step 5: Solve for x
    x = 92,733,594,227.19/352,032.40
  6. Step 6: Final answer
    x = 263,423.46

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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.