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Finding the Fourth Proportional to 374,347.10, 516,599.06 and 213,217.15

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Solution

The fourth proportional to 374,347.10, 516,599.06 and 213,217.15 is: 294,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,347.10 : 516,599.06 = 213,217.15 : x
  2. Step 2: Convert to fraction form
    374,347.10/516,599.06 = 213,217.15/x
  3. Step 3: Cross multiply
    374,347.10x = 516,599.06 × 213,217.15
  4. Step 4: Simplify right side
    374,347.10x = 110,147,779,265.88
  5. Step 5: Solve for x
    x = 110,147,779,265.88/374,347.10
  6. Step 6: Final answer
    x = 294,239.70

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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.