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Finding the Fourth Proportional to 415,845.60, 573,803.28 and 234,549.60

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Solution

The fourth proportional to 415,845.60, 573,803.28 and 234,549.60 is: 323,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,845.60 : 573,803.28 = 234,549.60 : x
  2. Step 2: Convert to fraction form
    415,845.60/573,803.28 = 234,549.60/x
  3. Step 3: Cross multiply
    415,845.60x = 573,803.28 × 234,549.60
  4. Step 4: Simplify right side
    415,845.60x = 134,585,329,802.69
  5. Step 5: Solve for x
    x = 134,585,329,802.69/415,845.60
  6. Step 6: Final answer
    x = 323,642.55

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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.