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Finding the Fourth Proportional to 452,406.34, 624,397.56 and 261,530.38

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Solution

The fourth proportional to 452,406.34, 624,397.56 and 261,530.38 is: 360,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,406.34 : 624,397.56 = 261,530.38 : x
  2. Step 2: Convert to fraction form
    452,406.34/624,397.56 = 261,530.38/x
  3. Step 3: Cross multiply
    452,406.34x = 624,397.56 × 261,530.38
  4. Step 4: Simplify right side
    452,406.34x = 163,298,931,137.87
  5. Step 5: Solve for x
    x = 163,298,931,137.87/452,406.34
  6. Step 6: Final answer
    x = 360,956.33

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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.