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Finding the Fourth Proportional to 514,778.64, 772,265.08 and 195,026.16

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Solution

The fourth proportional to 514,778.64, 772,265.08 and 195,026.16 is: 292,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,778.64 : 772,265.08 = 195,026.16 : x
  2. Step 2: Convert to fraction form
    514,778.64/772,265.08 = 195,026.16/x
  3. Step 3: Cross multiply
    514,778.64x = 772,265.08 × 195,026.16
  4. Step 4: Simplify right side
    514,778.64x = 150,611,893,054.49
  5. Step 5: Solve for x
    x = 150,611,893,054.49/514,778.64
  6. Step 6: Final answer
    x = 292,576.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.