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Finding the Fourth Proportional to 605,054.20, 907,581.30 and 605,054.20

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Solution

The fourth proportional to 605,054.20, 907,581.30 and 605,054.20 is: 907,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,054.20 : 907,581.30 = 605,054.20 : x
  2. Step 2: Convert to fraction form
    605,054.20/907,581.30 = 605,054.20/x
  3. Step 3: Cross multiply
    605,054.20x = 907,581.30 × 605,054.20
  4. Step 4: Simplify right side
    605,054.20x = 549,135,877,406.46
  5. Step 5: Solve for x
    x = 549,135,877,406.46/605,054.20
  6. Step 6: Final answer
    x = 907,581.30

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Double scale
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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.