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Finding the Fourth Proportional to 836,562.76, 1,154,444.96 and 464,014.32

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Solution

The fourth proportional to 836,562.76, 1,154,444.96 and 464,014.32 is: 640,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,562.76 : 1,154,444.96 = 464,014.32 : x
  2. Step 2: Convert to fraction form
    836,562.76/1,154,444.96 = 464,014.32/x
  3. Step 3: Cross multiply
    836,562.76x = 1,154,444.96 × 464,014.32
  4. Step 4: Simplify right side
    836,562.76x = 535,678,993,091.83
  5. Step 5: Solve for x
    x = 535,678,993,091.83/836,562.76
  6. Step 6: Final answer
    x = 640,333.30

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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.