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Finding the Fourth Proportional to 343,252.64, 473,688.61 and 190,290.45

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Solution

The fourth proportional to 343,252.64, 473,688.61 and 190,290.45 is: 262,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,252.64 : 473,688.61 = 190,290.45 : x
  2. Step 2: Convert to fraction form
    343,252.64/473,688.61 = 190,290.45/x
  3. Step 3: Cross multiply
    343,252.64x = 473,688.61 × 190,290.45
  4. Step 4: Simplify right side
    343,252.64x = 90,138,418,756.77
  5. Step 5: Solve for x
    x = 90,138,418,756.77/343,252.64
  6. Step 6: Final answer
    x = 262,600.80

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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.