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Finding the Fourth Proportional to 415,653.19, 573,601.08 and 224,666.58

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Solution

The fourth proportional to 415,653.19, 573,601.08 and 224,666.58 is: 310,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,653.19 : 573,601.08 = 224,666.58 : x
  2. Step 2: Convert to fraction form
    415,653.19/573,601.08 = 224,666.58/x
  3. Step 3: Cross multiply
    415,653.19x = 573,601.08 × 224,666.58
  4. Step 4: Simplify right side
    415,653.19x = 128,868,992,927.91
  5. Step 5: Solve for x
    x = 128,868,992,927.91/415,653.19
  6. Step 6: Final answer
    x = 310,039.71

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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.