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Finding the Fourth Proportional to 563,057.88, 777,018.66 and 304,934.04

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Solution

The fourth proportional to 563,057.88, 777,018.66 and 304,934.04 is: 420,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,057.88 : 777,018.66 = 304,934.04 : x
  2. Step 2: Convert to fraction form
    563,057.88/777,018.66 = 304,934.04/x
  3. Step 3: Cross multiply
    563,057.88x = 777,018.66 × 304,934.04
  4. Step 4: Simplify right side
    563,057.88x = 236,939,439,149.19
  5. Step 5: Solve for x
    x = 236,939,439,149.19/563,057.88
  6. Step 6: Final answer
    x = 420,808.32

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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.