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Finding the Fourth Proportional to 563,809.59, 777,304.55 and 447,907.62

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Solution

The fourth proportional to 563,809.59, 777,304.55 and 447,907.62 is: 617,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,809.59 : 777,304.55 = 447,907.62 : x
  2. Step 2: Convert to fraction form
    563,809.59/777,304.55 = 447,907.62/x
  3. Step 3: Cross multiply
    563,809.59x = 777,304.55 × 447,907.62
  4. Step 4: Simplify right side
    563,809.59x = 348,160,633,360.68
  5. Step 5: Solve for x
    x = 348,160,633,360.68/563,809.59
  6. Step 6: Final answer
    x = 617,514.56

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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.