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Finding the Fourth Proportional to 713,748.29, 984,881.85 and 407,844.46

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Solution

The fourth proportional to 713,748.29, 984,881.85 and 407,844.46 is: 562,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,748.29 : 984,881.85 = 407,844.46 : x
  2. Step 2: Convert to fraction form
    713,748.29/984,881.85 = 407,844.46/x
  3. Step 3: Cross multiply
    713,748.29x = 984,881.85 × 407,844.46
  4. Step 4: Simplify right side
    713,748.29x = 401,678,606,277.05
  5. Step 5: Solve for x
    x = 401,678,606,277.05/713,748.29
  6. Step 6: Final answer
    x = 562,773.48

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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.