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Finding the Fourth Proportional to 495,644.80, 743,467.20 and 470,056.90

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Solution

The fourth proportional to 495,644.80, 743,467.20 and 470,056.90 is: 705,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,644.80 : 743,467.20 = 470,056.90 : x
  2. Step 2: Convert to fraction form
    495,644.80/743,467.20 = 470,056.90/x
  3. Step 3: Cross multiply
    495,644.80x = 743,467.20 × 470,056.90
  4. Step 4: Simplify right side
    495,644.80x = 349,471,887,283.68
  5. Step 5: Solve for x
    x = 349,471,887,283.68/495,644.80
  6. Step 6: Final answer
    x = 705,085.35

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.