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Finding the Fourth Proportional to 452,478.86, 624,464.19 and 258,848.12

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Solution

The fourth proportional to 452,478.86, 624,464.19 and 258,848.12 is: 357,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,478.86 : 624,464.19 = 258,848.12 : x
  2. Step 2: Convert to fraction form
    452,478.86/624,464.19 = 258,848.12/x
  3. Step 3: Cross multiply
    452,478.86x = 624,464.19 × 258,848.12
  4. Step 4: Simplify right side
    452,478.86x = 161,641,383,149.98
  5. Step 5: Solve for x
    x = 161,641,383,149.98/452,478.86
  6. Step 6: Final answer
    x = 357,235.22

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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.