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Finding the Fourth Proportional to 531,363.54, 793,658.81 and 480,684.60

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Solution

The fourth proportional to 531,363.54, 793,658.81 and 480,684.60 is: 717,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,363.54 : 793,658.81 = 480,684.60 : x
  2. Step 2: Convert to fraction form
    531,363.54/793,658.81 = 480,684.60/x
  3. Step 3: Cross multiply
    531,363.54x = 793,658.81 × 480,684.60
  4. Step 4: Simplify right side
    531,363.54x = 381,499,567,621.33
  5. Step 5: Solve for x
    x = 381,499,567,621.33/531,363.54
  6. Step 6: Final answer
    x = 717,963.39

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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.