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Finding the Fourth Proportional to 346,607.04, 478,308.90 and 193,646.38

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Solution

The fourth proportional to 346,607.04, 478,308.90 and 193,646.38 is: 267,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,607.04 : 478,308.90 = 193,646.38 : x
  2. Step 2: Convert to fraction form
    346,607.04/478,308.90 = 193,646.38/x
  3. Step 3: Cross multiply
    346,607.04x = 478,308.90 × 193,646.38
  4. Step 4: Simplify right side
    346,607.04x = 92,622,783,889.06
  5. Step 5: Solve for x
    x = 92,622,783,889.06/346,607.04
  6. Step 6: Final answer
    x = 267,227.07

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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.