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Finding the Fourth Proportional to 370,602.02, 511,431.18 and 200,836.16

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Solution

The fourth proportional to 370,602.02, 511,431.18 and 200,836.16 is: 277,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,602.02 : 511,431.18 = 200,836.16 : x
  2. Step 2: Convert to fraction form
    370,602.02/511,431.18 = 200,836.16/x
  3. Step 3: Cross multiply
    370,602.02x = 511,431.18 × 200,836.16
  4. Step 4: Simplify right side
    370,602.02x = 102,713,874,295.47
  5. Step 5: Solve for x
    x = 102,713,874,295.47/370,602.02
  6. Step 6: Final answer
    x = 277,154.11

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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.