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Finding the Fourth Proportional to 358,533.10, 494,756.90 and 197,356.67

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Solution

The fourth proportional to 358,533.10, 494,756.90 and 197,356.67 is: 272,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,533.10 : 494,756.90 = 197,356.67 : x
  2. Step 2: Convert to fraction form
    358,533.10/494,756.90 = 197,356.67/x
  3. Step 3: Cross multiply
    358,533.10x = 494,756.90 × 197,356.67
  4. Step 4: Simplify right side
    358,533.10x = 97,643,574,027.24
  5. Step 5: Solve for x
    x = 97,643,574,027.24/358,533.10
  6. Step 6: Final answer
    x = 272,341.87

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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.