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Finding the Fourth Proportional to 346,349.32, 477,957.38 and 193,389.88

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Solution

The fourth proportional to 346,349.32, 477,957.38 and 193,389.88 is: 266,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,349.32 : 477,957.38 = 193,389.88 : x
  2. Step 2: Convert to fraction form
    346,349.32/477,957.38 = 193,389.88/x
  3. Step 3: Cross multiply
    346,349.32x = 477,957.38 × 193,389.88
  4. Step 4: Simplify right side
    346,349.32x = 92,432,120,363.31
  5. Step 5: Solve for x
    x = 92,432,120,363.31/346,349.32
  6. Step 6: Final answer
    x = 266,875.42

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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.