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Finding the Fourth Proportional to 648,833.69, 888,887.32 and 624,575.05

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Solution

The fourth proportional to 648,833.69, 888,887.32 and 624,575.05 is: 855,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,833.69 : 888,887.32 = 624,575.05 : x
  2. Step 2: Convert to fraction form
    648,833.69/888,887.32 = 624,575.05/x
  3. Step 3: Cross multiply
    648,833.69x = 888,887.32 × 624,575.05
  4. Step 4: Simplify right side
    648,833.69x = 555,176,843,549.70
  5. Step 5: Solve for x
    x = 555,176,843,549.70/648,833.69
  6. Step 6: Final answer
    x = 855,653.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.