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Finding the Fourth Proportional to 622,007.10, 933,994.80 and 472,416.30

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Solution

The fourth proportional to 622,007.10, 933,994.80 and 472,416.30 is: 709,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,007.10 : 933,994.80 = 472,416.30 : x
  2. Step 2: Convert to fraction form
    622,007.10/933,994.80 = 472,416.30/x
  3. Step 3: Cross multiply
    622,007.10x = 933,994.80 × 472,416.30
  4. Step 4: Simplify right side
    622,007.10x = 441,234,367,635.24
  5. Step 5: Solve for x
    x = 441,234,367,635.24/622,007.10
  6. Step 6: Final answer
    x = 709,371.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.