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Finding the Fourth Proportional to 452,395.74, 624,281.41 and 248,473.38

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Solution

The fourth proportional to 452,395.74, 624,281.41 and 248,473.38 is: 342,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,395.74 : 624,281.41 = 248,473.38 : x
  2. Step 2: Convert to fraction form
    452,395.74/624,281.41 = 248,473.38/x
  3. Step 3: Cross multiply
    452,395.74x = 624,281.41 × 248,473.38
  4. Step 4: Simplify right side
    452,395.74x = 155,117,312,013.87
  5. Step 5: Solve for x
    x = 155,117,312,013.87/452,395.74
  6. Step 6: Final answer
    x = 342,879.69

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.