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Finding the Fourth Proportional to 517,029.04, 713,566.56 and 290,718.28

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Solution

The fourth proportional to 517,029.04, 713,566.56 and 290,718.28 is: 401,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,029.04 : 713,566.56 = 290,718.28 : x
  2. Step 2: Convert to fraction form
    517,029.04/713,566.56 = 290,718.28/x
  3. Step 3: Cross multiply
    517,029.04x = 713,566.56 × 290,718.28
  4. Step 4: Simplify right side
    517,029.04x = 207,446,842,988.72
  5. Step 5: Solve for x
    x = 207,446,842,988.72/517,029.04
  6. Step 6: Final answer
    x = 401,228.61

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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.