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Finding the Fourth Proportional to 358,373.66, 494,349.93 and 224,004.38

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Solution

The fourth proportional to 358,373.66, 494,349.93 and 224,004.38 is: 308,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,373.66 : 494,349.93 = 224,004.38 : x
  2. Step 2: Convert to fraction form
    358,373.66/494,349.93 = 224,004.38/x
  3. Step 3: Cross multiply
    358,373.66x = 494,349.93 × 224,004.38
  4. Step 4: Simplify right side
    358,373.66x = 110,736,547,100.94
  5. Step 5: Solve for x
    x = 110,736,547,100.94/358,373.66
  6. Step 6: Final answer
    x = 308,997.45

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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.