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Finding the Fourth Proportional to 216,407.66, 326,088.62 and 177,828.98

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Solution

The fourth proportional to 216,407.66, 326,088.62 and 177,828.98 is: 267,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,407.66 : 326,088.62 = 177,828.98 : x
  2. Step 2: Convert to fraction form
    216,407.66/326,088.62 = 177,828.98/x
  3. Step 3: Cross multiply
    216,407.66x = 326,088.62 × 177,828.98
  4. Step 4: Simplify right side
    216,407.66x = 57,988,005,053.76
  5. Step 5: Solve for x
    x = 57,988,005,053.76/216,407.66
  6. Step 6: Final answer
    x = 267,957.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.