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Finding the Fourth Proportional to 451,475, 623,031.32 and 247,537.25

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Solution

The fourth proportional to 451,475, 623,031.32 and 247,537.25 is: 341,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,475 : 623,031.32 = 247,537.25 : x
  2. Step 2: Convert to fraction form
    451,475/623,031.32 = 247,537.25/x
  3. Step 3: Cross multiply
    451,475x = 623,031.32 × 247,537.25
  4. Step 4: Simplify right side
    451,475x = 154,223,458,378.98
  5. Step 5: Solve for x
    x = 154,223,458,378.98/451,475
  6. Step 6: Final answer
    x = 341,599.11

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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.