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Finding the Fourth Proportional to 482,827.60, 666,301 and 267,970.16

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Solution

The fourth proportional to 482,827.60, 666,301 and 267,970.16 is: 369,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,827.60 : 666,301 = 267,970.16 : x
  2. Step 2: Convert to fraction form
    482,827.60/666,301 = 267,970.16/x
  3. Step 3: Cross multiply
    482,827.60x = 666,301 × 267,970.16
  4. Step 4: Simplify right side
    482,827.60x = 178,548,785,578.16
  5. Step 5: Solve for x
    x = 178,548,785,578.16/482,827.60
  6. Step 6: Final answer
    x = 369,798.22

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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.