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Finding the Fourth Proportional to 830,550.30, 1,165,919.70 and 830,550.30

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Solution

The fourth proportional to 830,550.30, 1,165,919.70 and 830,550.30 is: 1,165,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,550.30 : 1,165,919.70 = 830,550.30 : x
  2. Step 2: Convert to fraction form
    830,550.30/1,165,919.70 = 830,550.30/x
  3. Step 3: Cross multiply
    830,550.30x = 1,165,919.70 × 830,550.30
  4. Step 4: Simplify right side
    830,550.30x = 968,354,956,610.91
  5. Step 5: Solve for x
    x = 968,354,956,610.91/830,550.30
  6. Step 6: Final answer
    x = 1,165,919.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.