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Finding the Fourth Proportional to 370,555.98, 511,363.01 and 200,790.10

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Solution

The fourth proportional to 370,555.98, 511,363.01 and 200,790.10 is: 277,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,555.98 : 511,363.01 = 200,790.10 : x
  2. Step 2: Convert to fraction form
    370,555.98/511,363.01 = 200,790.10/x
  3. Step 3: Cross multiply
    370,555.98x = 511,363.01 × 200,790.10
  4. Step 4: Simplify right side
    370,555.98x = 102,676,631,492.12
  5. Step 5: Solve for x
    x = 102,676,631,492.12/370,555.98
  6. Step 6: Final answer
    x = 277,088.05

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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.