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Finding the Fourth Proportional to 348,516.30, 522,774.45 and 335,394.30

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Solution

The fourth proportional to 348,516.30, 522,774.45 and 335,394.30 is: 503,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,516.30 : 522,774.45 = 335,394.30 : x
  2. Step 2: Convert to fraction form
    348,516.30/522,774.45 = 335,394.30/x
  3. Step 3: Cross multiply
    348,516.30x = 522,774.45 × 335,394.30
  4. Step 4: Simplify right side
    348,516.30x = 175,335,570,715.64
  5. Step 5: Solve for x
    x = 175,335,570,715.64/348,516.30
  6. Step 6: Final answer
    x = 503,091.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.