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Finding the Fourth Proportional to 343,274.86, 473,734.28 and 190,303.32

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Solution

The fourth proportional to 343,274.86, 473,734.28 and 190,303.32 is: 262,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,274.86 : 473,734.28 = 190,303.32 : x
  2. Step 2: Convert to fraction form
    343,274.86/473,734.28 = 190,303.32/x
  3. Step 3: Cross multiply
    343,274.86x = 473,734.28 × 190,303.32
  4. Step 4: Simplify right side
    343,274.86x = 90,153,206,281.81
  5. Step 5: Solve for x
    x = 90,153,206,281.81/343,274.86
  6. Step 6: Final answer
    x = 262,626.88

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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.