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Finding the Fourth Proportional to 348,211.08, 480,802.56 and 267,510.72

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Solution

The fourth proportional to 348,211.08, 480,802.56 and 267,510.72 is: 369,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,211.08 : 480,802.56 = 267,510.72 : x
  2. Step 2: Convert to fraction form
    348,211.08/480,802.56 = 267,510.72/x
  3. Step 3: Cross multiply
    348,211.08x = 480,802.56 × 267,510.72
  4. Step 4: Simplify right side
    348,211.08x = 128,619,839,003.44
  5. Step 5: Solve for x
    x = 128,619,839,003.44/348,211.08
  6. Step 6: Final answer
    x = 369,373.19

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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.