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Finding the Fourth Proportional to 452,645.32, 624,661.02 and 248,708.98

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Solution

The fourth proportional to 452,645.32, 624,661.02 and 248,708.98 is: 343,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,645.32 : 624,661.02 = 248,708.98 : x
  2. Step 2: Convert to fraction form
    452,645.32/624,661.02 = 248,708.98/x
  3. Step 3: Cross multiply
    452,645.32x = 624,661.02 × 248,708.98
  4. Step 4: Simplify right side
    452,645.32x = 155,358,805,129.96
  5. Step 5: Solve for x
    x = 155,358,805,129.96/452,645.32
  6. Step 6: Final answer
    x = 343,224.15

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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.