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Finding the Fourth Proportional to 358,424.56, 494,622.08 and 197,276.16

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Solution

The fourth proportional to 358,424.56, 494,622.08 and 197,276.16 is: 272,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,424.56 : 494,622.08 = 197,276.16 : x
  2. Step 2: Convert to fraction form
    358,424.56/494,622.08 = 197,276.16/x
  3. Step 3: Cross multiply
    358,424.56x = 494,622.08 × 197,276.16
  4. Step 4: Simplify right side
    358,424.56x = 97,577,144,593.61
  5. Step 5: Solve for x
    x = 97,577,144,593.61/358,424.56
  6. Step 6: Final answer
    x = 272,239.00

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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.