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Finding the Fourth Proportional to 595,625.20, 893,437.80 and 427,663.60

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Solution

The fourth proportional to 595,625.20, 893,437.80 and 427,663.60 is: 641,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,625.20 : 893,437.80 = 427,663.60 : x
  2. Step 2: Convert to fraction form
    595,625.20/893,437.80 = 427,663.60/x
  3. Step 3: Cross multiply
    595,625.20x = 893,437.80 × 427,663.60
  4. Step 4: Simplify right side
    595,625.20x = 382,090,825,924.08
  5. Step 5: Solve for x
    x = 382,090,825,924.08/595,625.20
  6. Step 6: Final answer
    x = 641,495.40

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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.