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Finding the Fourth Proportional to 567,298.10, 850,947.15 and 520,058.90

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Solution

The fourth proportional to 567,298.10, 850,947.15 and 520,058.90 is: 780,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,298.10 : 850,947.15 = 520,058.90 : x
  2. Step 2: Convert to fraction form
    567,298.10/850,947.15 = 520,058.90/x
  3. Step 3: Cross multiply
    567,298.10x = 850,947.15 × 520,058.90
  4. Step 4: Simplify right side
    567,298.10x = 442,542,638,787.14
  5. Step 5: Solve for x
    x = 442,542,638,787.14/567,298.10
  6. Step 6: Final answer
    x = 780,088.35

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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.