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Finding the Fourth Proportional to 797,761.62, 1,101,088.55 and 507,314.32

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Solution

The fourth proportional to 797,761.62, 1,101,088.55 and 507,314.32 is: 700,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,761.62 : 1,101,088.55 = 507,314.32 : x
  2. Step 2: Convert to fraction form
    797,761.62/1,101,088.55 = 507,314.32/x
  3. Step 3: Cross multiply
    797,761.62x = 1,101,088.55 × 507,314.32
  4. Step 4: Simplify right side
    797,761.62x = 558,597,987,518.60
  5. Step 5: Solve for x
    x = 558,597,987,518.60/797,761.62
  6. Step 6: Final answer
    x = 700,206.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.