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Finding the Fourth Proportional to 533,533.43, 736,293.72 and 291,816

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Solution

The fourth proportional to 533,533.43, 736,293.72 and 291,816 is: 402,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,533.43 : 736,293.72 = 291,816 : x
  2. Step 2: Convert to fraction form
    533,533.43/736,293.72 = 291,816/x
  3. Step 3: Cross multiply
    533,533.43x = 736,293.72 × 291,816
  4. Step 4: Simplify right side
    533,533.43x = 214,862,288,195.52
  5. Step 5: Solve for x
    x = 214,862,288,195.52/533,533.43
  6. Step 6: Final answer
    x = 402,715.70

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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.