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Finding the Fourth Proportional to 722,862.01, 997,575.31 and 436,326.13

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Solution

The fourth proportional to 722,862.01, 997,575.31 and 436,326.13 is: 602,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,862.01 : 997,575.31 = 436,326.13 : x
  2. Step 2: Convert to fraction form
    722,862.01/997,575.31 = 436,326.13/x
  3. Step 3: Cross multiply
    722,862.01x = 997,575.31 × 436,326.13
  4. Step 4: Simplify right side
    722,862.01x = 435,268,174,395.85
  5. Step 5: Solve for x
    x = 435,268,174,395.85/722,862.01
  6. Step 6: Final answer
    x = 602,145.59

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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.