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Finding the Fourth Proportional to 492,021.32, 735,336.23 and 359,181.32

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Solution

The fourth proportional to 492,021.32, 735,336.23 and 359,181.32 is: 536,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,021.32 : 735,336.23 = 359,181.32 : x
  2. Step 2: Convert to fraction form
    492,021.32/735,336.23 = 359,181.32/x
  3. Step 3: Cross multiply
    492,021.32x = 735,336.23 × 359,181.32
  4. Step 4: Simplify right side
    492,021.32x = 264,119,032,262.64
  5. Step 5: Solve for x
    x = 264,119,032,262.64/492,021.32
  6. Step 6: Final answer
    x = 536,804.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.