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Finding the Fourth Proportional to 543,896.79, 750,533.57 and 314,468.81

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Solution

The fourth proportional to 543,896.79, 750,533.57 and 314,468.81 is: 433,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,896.79 : 750,533.57 = 314,468.81 : x
  2. Step 2: Convert to fraction form
    543,896.79/750,533.57 = 314,468.81/x
  3. Step 3: Cross multiply
    543,896.79x = 750,533.57 × 314,468.81
  4. Step 4: Simplify right side
    543,896.79x = 236,019,393,297.94
  5. Step 5: Solve for x
    x = 236,019,393,297.94/543,896.79
  6. Step 6: Final answer
    x = 433,941.51

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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.