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Finding the Fourth Proportional to 470,897.40, 706,346.10 and 234,701.40

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Solution

The fourth proportional to 470,897.40, 706,346.10 and 234,701.40 is: 352,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,897.40 : 706,346.10 = 234,701.40 : x
  2. Step 2: Convert to fraction form
    470,897.40/706,346.10 = 234,701.40/x
  3. Step 3: Cross multiply
    470,897.40x = 706,346.10 × 234,701.40
  4. Step 4: Simplify right side
    470,897.40x = 165,780,418,554.54
  5. Step 5: Solve for x
    x = 165,780,418,554.54/470,897.40
  6. Step 6: Final answer
    x = 352,052.10

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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.