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Finding the Fourth Proportional to 343,443.58, 473,956.05 and 190,484.80

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Solution

The fourth proportional to 343,443.58, 473,956.05 and 190,484.80 is: 262,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,443.58 : 473,956.05 = 190,484.80 : x
  2. Step 2: Convert to fraction form
    343,443.58/473,956.05 = 190,484.80/x
  3. Step 3: Cross multiply
    343,443.58x = 473,956.05 × 190,484.80
  4. Step 4: Simplify right side
    343,443.58x = 90,281,423,393.04
  5. Step 5: Solve for x
    x = 90,281,423,393.04/343,443.58
  6. Step 6: Final answer
    x = 262,871.19

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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.