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Finding the Fourth Proportional to 705,550.46, 973,801.32 and 419,015.18

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Solution

The fourth proportional to 705,550.46, 973,801.32 and 419,015.18 is: 578,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,550.46 : 973,801.32 = 419,015.18 : x
  2. Step 2: Convert to fraction form
    705,550.46/973,801.32 = 419,015.18/x
  3. Step 3: Cross multiply
    705,550.46x = 973,801.32 × 419,015.18
  4. Step 4: Simplify right side
    705,550.46x = 408,037,535,384.04
  5. Step 5: Solve for x
    x = 408,037,535,384.04/705,550.46
  6. Step 6: Final answer
    x = 578,325.09

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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.