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Finding the Fourth Proportional to 601,933.40, 903,143.10 and 265,038.20

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Solution

The fourth proportional to 601,933.40, 903,143.10 and 265,038.20 is: 397,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,933.40 : 903,143.10 = 265,038.20 : x
  2. Step 2: Convert to fraction form
    601,933.40/903,143.10 = 265,038.20/x
  3. Step 3: Cross multiply
    601,933.40x = 903,143.10 × 265,038.20
  4. Step 4: Simplify right side
    601,933.40x = 239,367,421,566.42
  5. Step 5: Solve for x
    x = 239,367,421,566.42/601,933.40
  6. Step 6: Final answer
    x = 397,664.30

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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.