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Finding the Fourth Proportional to 415,364.18, 573,203.10 and 224,377.58

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Solution

The fourth proportional to 415,364.18, 573,203.10 and 224,377.58 is: 309,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,364.18 : 573,203.10 = 224,377.58 : x
  2. Step 2: Convert to fraction form
    415,364.18/573,203.10 = 224,377.58/x
  3. Step 3: Cross multiply
    415,364.18x = 573,203.10 × 224,377.58
  4. Step 4: Simplify right side
    415,364.18x = 128,613,924,426.50
  5. Step 5: Solve for x
    x = 128,613,924,426.50/415,364.18
  6. Step 6: Final answer
    x = 309,641.35

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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.