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Finding the Fourth Proportional to 595,382.40, 821,612.16 and 353,665.44

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Solution

The fourth proportional to 595,382.40, 821,612.16 and 353,665.44 is: 488,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,382.40 : 821,612.16 = 353,665.44 : x
  2. Step 2: Convert to fraction form
    595,382.40/821,612.16 = 353,665.44/x
  3. Step 3: Cross multiply
    595,382.40x = 821,612.16 × 353,665.44
  4. Step 4: Simplify right side
    595,382.40x = 290,575,826,075.75
  5. Step 5: Solve for x
    x = 290,575,826,075.75/595,382.40
  6. Step 6: Final answer
    x = 488,049.07

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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.