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Finding the Fourth Proportional to 356,465.60, 534,698.40 and 223,755.20

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Solution

The fourth proportional to 356,465.60, 534,698.40 and 223,755.20 is: 335,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,465.60 : 534,698.40 = 223,755.20 : x
  2. Step 2: Convert to fraction form
    356,465.60/534,698.40 = 223,755.20/x
  3. Step 3: Cross multiply
    356,465.60x = 534,698.40 × 223,755.20
  4. Step 4: Simplify right side
    356,465.60x = 119,641,547,431.68
  5. Step 5: Solve for x
    x = 119,641,547,431.68/356,465.60
  6. Step 6: Final answer
    x = 335,632.80

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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.