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Finding the Fourth Proportional to 567,277.07, 782,842.33 and 312,628.26

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Solution

The fourth proportional to 567,277.07, 782,842.33 and 312,628.26 is: 431,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,277.07 : 782,842.33 = 312,628.26 : x
  2. Step 2: Convert to fraction form
    567,277.07/782,842.33 = 312,628.26/x
  3. Step 3: Cross multiply
    567,277.07x = 782,842.33 × 312,628.26
  4. Step 4: Simplify right side
    567,277.07x = 244,738,635,482.25
  5. Step 5: Solve for x
    x = 244,738,635,482.25/567,277.07
  6. Step 6: Final answer
    x = 431,426.98

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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.