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Finding the Fourth Proportional to 403,065.48, 556,460.76 and 267,283.92

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Solution

The fourth proportional to 403,065.48, 556,460.76 and 267,283.92 is: 369,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,065.48 : 556,460.76 = 267,283.92 : x
  2. Step 2: Convert to fraction form
    403,065.48/556,460.76 = 267,283.92/x
  3. Step 3: Cross multiply
    403,065.48x = 556,460.76 × 267,283.92
  4. Step 4: Simplify right side
    403,065.48x = 148,733,013,258.98
  5. Step 5: Solve for x
    x = 148,733,013,258.98/403,065.48
  6. Step 6: Final answer
    x = 369,004.59

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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.