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Finding the Fourth Proportional to 614,817.01, 848,599.60 and 418,907.59

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Solution

The fourth proportional to 614,817.01, 848,599.60 and 418,907.59 is: 578,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,817.01 : 848,599.60 = 418,907.59 : x
  2. Step 2: Convert to fraction form
    614,817.01/848,599.60 = 418,907.59/x
  3. Step 3: Cross multiply
    614,817.01x = 848,599.60 × 418,907.59
  4. Step 4: Simplify right side
    614,817.01x = 355,484,813,310.96
  5. Step 5: Solve for x
    x = 355,484,813,310.96/614,817.01
  6. Step 6: Final answer
    x = 578,196.13

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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.