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Finding the Fourth Proportional to 577,751.51, 797,497.48 and 397,061.57

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Solution

The fourth proportional to 577,751.51, 797,497.48 and 397,061.57 is: 548,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,751.51 : 797,497.48 = 397,061.57 : x
  2. Step 2: Convert to fraction form
    577,751.51/797,497.48 = 397,061.57/x
  3. Step 3: Cross multiply
    577,751.51x = 797,497.48 × 397,061.57
  4. Step 4: Simplify right side
    577,751.51x = 316,655,603,969.91
  5. Step 5: Solve for x
    x = 316,655,603,969.91/577,751.51
  6. Step 6: Final answer
    x = 548,082.69

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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.