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Finding the Fourth Proportional to 354,547.22, 489,282.01 and 193,408.19

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Solution

The fourth proportional to 354,547.22, 489,282.01 and 193,408.19 is: 266,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547.22 : 489,282.01 = 193,408.19 : x
  2. Step 2: Convert to fraction form
    354,547.22/489,282.01 = 193,408.19/x
  3. Step 3: Cross multiply
    354,547.22x = 489,282.01 × 193,408.19
  4. Step 4: Simplify right side
    354,547.22x = 94,631,147,953.66
  5. Step 5: Solve for x
    x = 94,631,147,953.66/354,547.22
  6. Step 6: Final answer
    x = 266,907.04

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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.