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Finding the Fourth Proportional to 415,345.32, 573,176.66 and 224,358.66

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Solution

The fourth proportional to 415,345.32, 573,176.66 and 224,358.66 is: 309,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,345.32 : 573,176.66 = 224,358.66 : x
  2. Step 2: Convert to fraction form
    415,345.32/573,176.66 = 224,358.66/x
  3. Step 3: Cross multiply
    415,345.32x = 573,176.66 × 224,358.66
  4. Step 4: Simplify right side
    415,345.32x = 128,597,146,259.08
  5. Step 5: Solve for x
    x = 128,597,146,259.08/415,345.32
  6. Step 6: Final answer
    x = 309,615.01

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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.