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Finding the Fourth Proportional to 415,316.34, 573,136.48 and 224,329.68

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Solution

The fourth proportional to 415,316.34, 573,136.48 and 224,329.68 is: 309,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,316.34 : 573,136.48 = 224,329.68 : x
  2. Step 2: Convert to fraction form
    415,316.34/573,136.48 = 224,329.68/x
  3. Step 3: Cross multiply
    415,316.34x = 573,136.48 × 224,329.68
  4. Step 4: Simplify right side
    415,316.34x = 128,571,523,154.73
  5. Step 5: Solve for x
    x = 128,571,523,154.73/415,316.34
  6. Step 6: Final answer
    x = 309,574.92

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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.