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Finding the Fourth Proportional to 290,574.96, 400,997.26 and 175,852.24

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Solution

The fourth proportional to 290,574.96, 400,997.26 and 175,852.24 is: 242,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,574.96 : 400,997.26 = 175,852.24 : x
  2. Step 2: Convert to fraction form
    290,574.96/400,997.26 = 175,852.24/x
  3. Step 3: Cross multiply
    290,574.96x = 400,997.26 × 175,852.24
  4. Step 4: Simplify right side
    290,574.96x = 70,516,266,404.86
  5. Step 5: Solve for x
    x = 70,516,266,404.86/290,574.96
  6. Step 6: Final answer
    x = 242,678.40

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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.