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Finding the Fourth Proportional to 716,293.92, 988,436.88 and 414,533.28

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Solution

The fourth proportional to 716,293.92, 988,436.88 and 414,533.28 is: 572,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,293.92 : 988,436.88 = 414,533.28 : x
  2. Step 2: Convert to fraction form
    716,293.92/988,436.88 = 414,533.28/x
  3. Step 3: Cross multiply
    716,293.92x = 988,436.88 × 414,533.28
  4. Step 4: Simplify right side
    716,293.92x = 409,739,981,939.37
  5. Step 5: Solve for x
    x = 409,739,981,939.37/716,293.92
  6. Step 6: Final answer
    x = 572,027.73

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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.