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Finding the Fourth Proportional to 531,045.45, 732,883.55 and 301,643.73

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Solution

The fourth proportional to 531,045.45, 732,883.55 and 301,643.73 is: 416,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,045.45 : 732,883.55 = 301,643.73 : x
  2. Step 2: Convert to fraction form
    531,045.45/732,883.55 = 301,643.73/x
  3. Step 3: Cross multiply
    531,045.45x = 732,883.55 × 301,643.73
  4. Step 4: Simplify right side
    531,045.45x = 221,069,726,169.42
  5. Step 5: Solve for x
    x = 221,069,726,169.42/531,045.45
  6. Step 6: Final answer
    x = 416,291.54

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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.