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Finding the Fourth Proportional to 614,816.51, 848,598.91 and 418,907.09

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Solution

The fourth proportional to 614,816.51, 848,598.91 and 418,907.09 is: 578,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,816.51 : 848,598.91 = 418,907.09 : x
  2. Step 2: Convert to fraction form
    614,816.51/848,598.91 = 418,907.09/x
  3. Step 3: Cross multiply
    614,816.51x = 848,598.91 × 418,907.09
  4. Step 4: Simplify right side
    614,816.51x = 355,484,099,965.27
  5. Step 5: Solve for x
    x = 355,484,099,965.27/614,816.51
  6. Step 6: Final answer
    x = 578,195.44

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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.