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Finding the Fourth Proportional to 605,033.10, 907,549.65 and 577,476.90

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Solution

The fourth proportional to 605,033.10, 907,549.65 and 577,476.90 is: 866,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,033.10 : 907,549.65 = 577,476.90 : x
  2. Step 2: Convert to fraction form
    605,033.10/907,549.65 = 577,476.90/x
  3. Step 3: Cross multiply
    605,033.10x = 907,549.65 × 577,476.90
  4. Step 4: Simplify right side
    605,033.10x = 524,088,958,478.09
  5. Step 5: Solve for x
    x = 524,088,958,478.09/605,033.10
  6. Step 6: Final answer
    x = 866,215.35

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Similar ratio
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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.