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Finding the Fourth Proportional to 370,313.63, 511,031.71 and 200,547.71

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Solution

The fourth proportional to 370,313.63, 511,031.71 and 200,547.71 is: 276,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,313.63 : 511,031.71 = 200,547.71 : x
  2. Step 2: Convert to fraction form
    370,313.63/511,031.71 = 200,547.71/x
  3. Step 3: Cross multiply
    370,313.63x = 511,031.71 × 200,547.71
  4. Step 4: Simplify right side
    370,313.63x = 102,486,239,177.88
  5. Step 5: Solve for x
    x = 102,486,239,177.88/370,313.63
  6. Step 6: Final answer
    x = 276,755.24

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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.