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Finding the Fourth Proportional to 611,709.36, 844,225.47 and 370,125.24

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Solution

The fourth proportional to 611,709.36, 844,225.47 and 370,125.24 is: 510,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,709.36 : 844,225.47 = 370,125.24 : x
  2. Step 2: Convert to fraction form
    611,709.36/844,225.47 = 370,125.24/x
  3. Step 3: Cross multiply
    611,709.36x = 844,225.47 × 370,125.24
  4. Step 4: Simplify right side
    611,709.36x = 312,469,154,697.86
  5. Step 5: Solve for x
    x = 312,469,154,697.86/611,709.36
  6. Step 6: Final answer
    x = 510,813.10

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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.