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Finding the Fourth Proportional to 415,230.55, 573,018.14 and 224,243.93

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Solution

The fourth proportional to 415,230.55, 573,018.14 and 224,243.93 is: 309,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,230.55 : 573,018.14 = 224,243.93 : x
  2. Step 2: Convert to fraction form
    415,230.55/573,018.14 = 224,243.93/x
  3. Step 3: Cross multiply
    415,230.55x = 573,018.14 × 224,243.93
  4. Step 4: Simplify right side
    415,230.55x = 128,495,839,674.89
  5. Step 5: Solve for x
    x = 128,495,839,674.89/415,230.55
  6. Step 6: Final answer
    x = 309,456.61

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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.