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Finding the Fourth Proportional to 424,071.40, 585,208.54 and 230,474.52

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Solution

The fourth proportional to 424,071.40, 585,208.54 and 230,474.52 is: 318,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,071.40 : 585,208.54 = 230,474.52 : x
  2. Step 2: Convert to fraction form
    424,071.40/585,208.54 = 230,474.52/x
  3. Step 3: Cross multiply
    424,071.40x = 585,208.54 × 230,474.52
  4. Step 4: Simplify right side
    424,071.40x = 134,875,657,356.40
  5. Step 5: Solve for x
    x = 134,875,657,356.40/424,071.40
  6. Step 6: Final answer
    x = 318,049.41

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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.