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Finding the Fourth Proportional to 452,842.20, 624,937.20 and 248,900.40

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Solution

The fourth proportional to 452,842.20, 624,937.20 and 248,900.40 is: 343,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,842.20 : 624,937.20 = 248,900.40 : x
  2. Step 2: Convert to fraction form
    452,842.20/624,937.20 = 248,900.40/x
  3. Step 3: Cross multiply
    452,842.20x = 624,937.20 × 248,900.40
  4. Step 4: Simplify right side
    452,842.20x = 155,547,119,054.88
  5. Step 5: Solve for x
    x = 155,547,119,054.88/452,842.20
  6. Step 6: Final answer
    x = 343,490.78

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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.