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Finding the Fourth Proportional to 353,904.30, 496,865.70 and 353,904.30

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Solution

The fourth proportional to 353,904.30, 496,865.70 and 353,904.30 is: 496,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,904.30 : 496,865.70 = 353,904.30 : x
  2. Step 2: Convert to fraction form
    353,904.30/496,865.70 = 353,904.30/x
  3. Step 3: Cross multiply
    353,904.30x = 496,865.70 × 353,904.30
  4. Step 4: Simplify right side
    353,904.30x = 175,842,907,752.51
  5. Step 5: Solve for x
    x = 175,842,907,752.51/353,904.30
  6. Step 6: Final answer
    x = 496,865.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.