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Finding the Fourth Proportional to 868,234.10, 1,300,601.55 and 584,798.90

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Solution

The fourth proportional to 868,234.10, 1,300,601.55 and 584,798.90 is: 876,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,234.10 : 1,300,601.55 = 584,798.90 : x
  2. Step 2: Convert to fraction form
    868,234.10/1,300,601.55 = 584,798.90/x
  3. Step 3: Cross multiply
    868,234.10x = 1,300,601.55 × 584,798.90
  4. Step 4: Simplify right side
    868,234.10x = 760,590,355,778.30
  5. Step 5: Solve for x
    x = 760,590,355,778.30/868,234.10
  6. Step 6: Final answer
    x = 876,019.91

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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.