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Finding the Fourth Proportional to 624,927.82, 862,486.23 and 383,167.66

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Solution

The fourth proportional to 624,927.82, 862,486.23 and 383,167.66 is: 528,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,927.82 : 862,486.23 = 383,167.66 : x
  2. Step 2: Convert to fraction form
    624,927.82/862,486.23 = 383,167.66/x
  3. Step 3: Cross multiply
    624,927.82x = 862,486.23 × 383,167.66
  4. Step 4: Simplify right side
    624,927.82x = 330,476,830,531.32
  5. Step 5: Solve for x
    x = 330,476,830,531.32/624,927.82
  6. Step 6: Final answer
    x = 528,824.00

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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.