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Finding the Fourth Proportional to 566,329.20, 849,493.80 and 342,380.40

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Solution

The fourth proportional to 566,329.20, 849,493.80 and 342,380.40 is: 513,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,329.20 : 849,493.80 = 342,380.40 : x
  2. Step 2: Convert to fraction form
    566,329.20/849,493.80 = 342,380.40/x
  3. Step 3: Cross multiply
    566,329.20x = 849,493.80 × 342,380.40
  4. Step 4: Simplify right side
    566,329.20x = 290,850,027,041.52
  5. Step 5: Solve for x
    x = 290,850,027,041.52/566,329.20
  6. Step 6: Final answer
    x = 513,570.60

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Double scale
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Similar ratio
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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.