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Finding the Fourth Proportional to 531,362.54, 793,657.32 and 480,683.60

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Solution

The fourth proportional to 531,362.54, 793,657.32 and 480,683.60 is: 717,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,362.54 : 793,657.32 = 480,683.60 : x
  2. Step 2: Convert to fraction form
    531,362.54/793,657.32 = 480,683.60/x
  3. Step 3: Cross multiply
    531,362.54x = 793,657.32 × 480,683.60
  4. Step 4: Simplify right side
    531,362.54x = 381,498,057,743.95
  5. Step 5: Solve for x
    x = 381,498,057,743.95/531,362.54
  6. Step 6: Final answer
    x = 717,961.90

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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.