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Finding the Fourth Proportional to 346,533.84, 478,222.56 and 193,585.44

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Solution

The fourth proportional to 346,533.84, 478,222.56 and 193,585.44 is: 267,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,533.84 : 478,222.56 = 193,585.44 : x
  2. Step 2: Convert to fraction form
    346,533.84/478,222.56 = 193,585.44/x
  3. Step 3: Cross multiply
    346,533.84x = 478,222.56 × 193,585.44
  4. Step 4: Simplify right side
    346,533.84x = 92,576,924,695.53
  5. Step 5: Solve for x
    x = 92,576,924,695.53/346,533.84
  6. Step 6: Final answer
    x = 267,151.18

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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.