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Finding the Fourth Proportional to 493,602.80, 692,443.60 and 493,602.80

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Solution

The fourth proportional to 493,602.80, 692,443.60 and 493,602.80 is: 692,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,602.80 : 692,443.60 = 493,602.80 : x
  2. Step 2: Convert to fraction form
    493,602.80/692,443.60 = 493,602.80/x
  3. Step 3: Cross multiply
    493,602.80x = 692,443.60 × 493,602.80
  4. Step 4: Simplify right side
    493,602.80x = 341,792,099,802.08
  5. Step 5: Solve for x
    x = 341,792,099,802.08/493,602.80
  6. Step 6: Final answer
    x = 692,443.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.