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Finding the Fourth Proportional to 605,058.10, 907,587.15 and 522,114.10

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Solution

The fourth proportional to 605,058.10, 907,587.15 and 522,114.10 is: 783,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,058.10 : 907,587.15 = 522,114.10 : x
  2. Step 2: Convert to fraction form
    605,058.10/907,587.15 = 522,114.10/x
  3. Step 3: Cross multiply
    605,058.10x = 907,587.15 × 522,114.10
  4. Step 4: Simplify right side
    605,058.10x = 473,864,047,993.82
  5. Step 5: Solve for x
    x = 473,864,047,993.82/605,058.10
  6. Step 6: Final answer
    x = 783,171.15

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Double scale
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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.