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Finding the Fourth Proportional to 270,399.52, 373,038.57 and 155,650.70

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Solution

The fourth proportional to 270,399.52, 373,038.57 and 155,650.70 is: 214,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,399.52 : 373,038.57 = 155,650.70 : x
  2. Step 2: Convert to fraction form
    270,399.52/373,038.57 = 155,650.70/x
  3. Step 3: Cross multiply
    270,399.52x = 373,038.57 × 155,650.70
  4. Step 4: Simplify right side
    270,399.52x = 58,063,714,547.50
  5. Step 5: Solve for x
    x = 58,063,714,547.50/270,399.52
  6. Step 6: Final answer
    x = 214,733.05

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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.