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Finding the Fourth Proportional to 605,612.10, 906,668.55 and 369,416.10

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Solution

The fourth proportional to 605,612.10, 906,668.55 and 369,416.10 is: 553,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,612.10 : 906,668.55 = 369,416.10 : x
  2. Step 2: Convert to fraction form
    605,612.10/906,668.55 = 369,416.10/x
  3. Step 3: Cross multiply
    605,612.10x = 906,668.55 × 369,416.10
  4. Step 4: Simplify right side
    605,612.10x = 334,937,959,733.66
  5. Step 5: Solve for x
    x = 334,937,959,733.66/605,612.10
  6. Step 6: Final answer
    x = 553,056.92

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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.