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Finding the Fourth Proportional to 864,957.60, 1,193,644.08 and 482,998.32

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Solution

The fourth proportional to 864,957.60, 1,193,644.08 and 482,998.32 is: 666,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,957.60 : 1,193,644.08 = 482,998.32 : x
  2. Step 2: Convert to fraction form
    864,957.60/1,193,644.08 = 482,998.32/x
  3. Step 3: Cross multiply
    864,957.60x = 1,193,644.08 × 482,998.32
  4. Step 4: Simplify right side
    864,957.60x = 576,528,085,317.95
  5. Step 5: Solve for x
    x = 576,528,085,317.95/864,957.60
  6. Step 6: Final answer
    x = 666,539.13

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Double scale
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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.