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Finding the Fourth Proportional to 355,696.40, 498,804.40 and 355,696.40

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Solution

The fourth proportional to 355,696.40, 498,804.40 and 355,696.40 is: 498,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,696.40 : 498,804.40 = 355,696.40 : x
  2. Step 2: Convert to fraction form
    355,696.40/498,804.40 = 355,696.40/x
  3. Step 3: Cross multiply
    355,696.40x = 498,804.40 × 355,696.40
  4. Step 4: Simplify right side
    355,696.40x = 177,422,929,384.16
  5. Step 5: Solve for x
    x = 177,422,929,384.16/355,696.40
  6. Step 6: Final answer
    x = 498,804.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.