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Finding the Fourth Proportional to 346,393.82, 478,014.17 and 193,427.75

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Solution

The fourth proportional to 346,393.82, 478,014.17 and 193,427.75 is: 266,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,393.82 : 478,014.17 = 193,427.75 : x
  2. Step 2: Convert to fraction form
    346,393.82/478,014.17 = 193,427.75/x
  3. Step 3: Cross multiply
    346,393.82x = 478,014.17 × 193,427.75
  4. Step 4: Simplify right side
    346,393.82x = 92,461,205,371.22
  5. Step 5: Solve for x
    x = 92,461,205,371.22/346,393.82
  6. Step 6: Final answer
    x = 266,925.10

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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.