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Finding the Fourth Proportional to 452,458.93, 624,400.85 and 248,528.72

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Solution

The fourth proportional to 452,458.93, 624,400.85 and 248,528.72 is: 342,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,458.93 : 624,400.85 = 248,528.72 : x
  2. Step 2: Convert to fraction form
    452,458.93/624,400.85 = 248,528.72/x
  3. Step 3: Cross multiply
    452,458.93x = 624,400.85 × 248,528.72
  4. Step 4: Simplify right side
    452,458.93x = 155,181,542,774.77
  5. Step 5: Solve for x
    x = 155,181,542,774.77/452,458.93
  6. Step 6: Final answer
    x = 342,973.77

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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.