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Finding the Fourth Proportional to 355,256.01, 490,256.74 and 194,111.06

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Solution

The fourth proportional to 355,256.01, 490,256.74 and 194,111.06 is: 267,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,256.01 : 490,256.74 = 194,111.06 : x
  2. Step 2: Convert to fraction form
    355,256.01/490,256.74 = 194,111.06/x
  3. Step 3: Cross multiply
    355,256.01x = 490,256.74 × 194,111.06
  4. Step 4: Simplify right side
    355,256.01x = 95,164,253,264.90
  5. Step 5: Solve for x
    x = 95,164,253,264.90/355,256.01
  6. Step 6: Final answer
    x = 267,875.14

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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.