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Finding the Fourth Proportional to 343,254.64, 473,691.37 and 190,292.45

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Solution

The fourth proportional to 343,254.64, 473,691.37 and 190,292.45 is: 262,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,254.64 : 473,691.37 = 190,292.45 : x
  2. Step 2: Convert to fraction form
    343,254.64/473,691.37 = 190,292.45/x
  3. Step 3: Cross multiply
    343,254.64x = 473,691.37 × 190,292.45
  4. Step 4: Simplify right side
    343,254.64x = 90,139,891,341.16
  5. Step 5: Solve for x
    x = 90,139,891,341.16/343,254.64
  6. Step 6: Final answer
    x = 262,603.56

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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.