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Finding the Fourth Proportional to 875,336,647.65, 1,313,004,971.48 and 875,336,647.65

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Solution

The fourth proportional to 875,336,647.65, 1,313,004,971.48 and 875,336,647.65 is: 1,313,004,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,336,647.65 : 1,313,004,971.48 = 875,336,647.65 : x
  2. Step 2: Convert to fraction form
    875,336,647.65/1,313,004,971.48 = 875,336,647.65/x
  3. Step 3: Cross multiply
    875,336,647.65x = 1,313,004,971.48 × 875,336,647.65
  4. Step 4: Simplify right side
    875,336,647.65x = 1,149,321,370,078,710,272
  5. Step 5: Solve for x
    x = 1,149,321,370,078,710,272/875,336,647.65
  6. Step 6: Final answer
    x = 1,313,004,971.48

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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.