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Finding the Fourth Proportional to 380,782.14, 569,885.81 and 370,535.51

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Solution

The fourth proportional to 380,782.14, 569,885.81 and 370,535.51 is: 554,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,782.14 : 569,885.81 = 370,535.51 : x
  2. Step 2: Convert to fraction form
    380,782.14/569,885.81 = 370,535.51/x
  3. Step 3: Cross multiply
    380,782.14x = 569,885.81 × 370,535.51
  4. Step 4: Simplify right side
    380,782.14x = 211,162,924,548.01
  5. Step 5: Solve for x
    x = 211,162,924,548.01/380,782.14
  6. Step 6: Final answer
    x = 554,550.50

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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.