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Finding the Fourth Proportional to 571,485.60, 857,520 and 234,784.80

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Solution

The fourth proportional to 571,485.60, 857,520 and 234,784.80 is: 352,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,485.60 : 857,520 = 234,784.80 : x
  2. Step 2: Convert to fraction form
    571,485.60/857,520 = 234,784.80/x
  3. Step 3: Cross multiply
    571,485.60x = 857,520 × 234,784.80
  4. Step 4: Simplify right side
    571,485.60x = 201,332,661,696
  5. Step 5: Solve for x
    x = 201,332,661,696/571,485.60
  6. Step 6: Final answer
    x = 352,297.00

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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.