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Finding the Fourth Proportional to 369,076.01, 509,256.65 and 216,106.29

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Solution

The fourth proportional to 369,076.01, 509,256.65 and 216,106.29 is: 298,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.01 : 509,256.65 = 216,106.29 : x
  2. Step 2: Convert to fraction form
    369,076.01/509,256.65 = 216,106.29/x
  3. Step 3: Cross multiply
    369,076.01x = 509,256.65 × 216,106.29
  4. Step 4: Simplify right side
    369,076.01x = 110,053,565,829.59
  5. Step 5: Solve for x
    x = 110,053,565,829.59/369,076.01
  6. Step 6: Final answer
    x = 298,186.73

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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.