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Finding the Fourth Proportional to 352,303.60, 528,066.60 and 194,645.20

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Solution

The fourth proportional to 352,303.60, 528,066.60 and 194,645.20 is: 291,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,303.60 : 528,066.60 = 194,645.20 : x
  2. Step 2: Convert to fraction form
    352,303.60/528,066.60 = 194,645.20/x
  3. Step 3: Cross multiply
    352,303.60x = 528,066.60 × 194,645.20
  4. Step 4: Simplify right side
    352,303.60x = 102,785,628,970.32
  5. Step 5: Solve for x
    x = 102,785,628,970.32/352,303.60
  6. Step 6: Final answer
    x = 291,752.99

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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.