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Finding the Fourth Proportional to 470,894.40, 706,341.60 and 234,698.40

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Solution

The fourth proportional to 470,894.40, 706,341.60 and 234,698.40 is: 352,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,894.40 : 706,341.60 = 234,698.40 : x
  2. Step 2: Convert to fraction form
    470,894.40/706,341.60 = 234,698.40/x
  3. Step 3: Cross multiply
    470,894.40x = 706,341.60 × 234,698.40
  4. Step 4: Simplify right side
    470,894.40x = 165,777,243,373.44
  5. Step 5: Solve for x
    x = 165,777,243,373.44/470,894.40
  6. Step 6: Final answer
    x = 352,047.60

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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.