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Finding the Fourth Proportional to 658,001.67, 908,048.57 and 386,074.19

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Solution

The fourth proportional to 658,001.67, 908,048.57 and 386,074.19 is: 532,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,001.67 : 908,048.57 = 386,074.19 : x
  2. Step 2: Convert to fraction form
    658,001.67/908,048.57 = 386,074.19/x
  3. Step 3: Cross multiply
    658,001.67x = 908,048.57 × 386,074.19
  4. Step 4: Simplify right side
    658,001.67x = 350,574,116,143.41
  5. Step 5: Solve for x
    x = 350,574,116,143.41/658,001.67
  6. Step 6: Final answer
    x = 532,786.06

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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.