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Finding the Fourth Proportional to 867,403.33, 1,196,990.88 and 480,236

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Solution

The fourth proportional to 867,403.33, 1,196,990.88 and 480,236 is: 662,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,403.33 : 1,196,990.88 = 480,236 : x
  2. Step 2: Convert to fraction form
    867,403.33/1,196,990.88 = 480,236/x
  3. Step 3: Cross multiply
    867,403.33x = 1,196,990.88 × 480,236
  4. Step 4: Simplify right side
    867,403.33x = 574,838,112,247.68
  5. Step 5: Solve for x
    x = 574,838,112,247.68/867,403.33
  6. Step 6: Final answer
    x = 662,711.44

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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.