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Finding the Fourth Proportional to 567,593.06, 783,283.72 and 312,953.30

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Solution

The fourth proportional to 567,593.06, 783,283.72 and 312,953.30 is: 431,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,593.06 : 783,283.72 = 312,953.30 : x
  2. Step 2: Convert to fraction form
    567,593.06/783,283.72 = 312,953.30/x
  3. Step 3: Cross multiply
    567,593.06x = 783,283.72 × 312,953.30
  4. Step 4: Simplify right side
    567,593.06x = 245,131,225,010.28
  5. Step 5: Solve for x
    x = 245,131,225,010.28/567,593.06
  6. Step 6: Final answer
    x = 431,878.47

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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.