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Finding the Fourth Proportional to 357,033.60, 534,513.60 and 346,665.60

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Solution

The fourth proportional to 357,033.60, 534,513.60 and 346,665.60 is: 518,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,033.60 : 534,513.60 = 346,665.60 : x
  2. Step 2: Convert to fraction form
    357,033.60/534,513.60 = 346,665.60/x
  3. Step 3: Cross multiply
    357,033.60x = 534,513.60 × 346,665.60
  4. Step 4: Simplify right side
    357,033.60x = 185,297,477,852.16
  5. Step 5: Solve for x
    x = 185,297,477,852.16/357,033.60
  6. Step 6: Final answer
    x = 518,991.71

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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.