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Finding the Fourth Proportional to 705,410.67, 973,473.75 and 383,127.06

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Solution

The fourth proportional to 705,410.67, 973,473.75 and 383,127.06 is: 528,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,410.67 : 973,473.75 = 383,127.06 : x
  2. Step 2: Convert to fraction form
    705,410.67/973,473.75 = 383,127.06/x
  3. Step 3: Cross multiply
    705,410.67x = 973,473.75 × 383,127.06
  4. Step 4: Simplify right side
    705,410.67x = 372,964,135,824.68
  5. Step 5: Solve for x
    x = 372,964,135,824.68/705,410.67
  6. Step 6: Final answer
    x = 528,719.16

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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.