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Finding the Fourth Proportional to 346,853.04, 478,647.06 and 193,891.56

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Solution

The fourth proportional to 346,853.04, 478,647.06 and 193,891.56 is: 267,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,853.04 : 478,647.06 = 193,891.56 : x
  2. Step 2: Convert to fraction form
    346,853.04/478,647.06 = 193,891.56/x
  3. Step 3: Cross multiply
    346,853.04x = 478,647.06 × 193,891.56
  4. Step 4: Simplify right side
    346,853.04x = 92,805,625,152.81
  5. Step 5: Solve for x
    x = 92,805,625,152.81/346,853.04
  6. Step 6: Final answer
    x = 267,564.69

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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.