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Finding the Fourth Proportional to 470,892.90, 706,339.35 and 234,696.90

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Solution

The fourth proportional to 470,892.90, 706,339.35 and 234,696.90 is: 352,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,892.90 : 706,339.35 = 234,696.90 : x
  2. Step 2: Convert to fraction form
    470,892.90/706,339.35 = 234,696.90/x
  3. Step 3: Cross multiply
    470,892.90x = 706,339.35 × 234,696.90
  4. Step 4: Simplify right side
    470,892.90x = 165,775,655,793.02
  5. Step 5: Solve for x
    x = 165,775,655,793.02/470,892.90
  6. Step 6: Final answer
    x = 352,045.35

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Double scale
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Similar ratio
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1.5x scale

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.