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Finding the Fourth Proportional to 283,607.93, 391,373.93 and 154,547.54

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Solution

The fourth proportional to 283,607.93, 391,373.93 and 154,547.54 is: 213,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.93 : 391,373.93 = 154,547.54 : x
  2. Step 2: Convert to fraction form
    283,607.93/391,373.93 = 154,547.54/x
  3. Step 3: Cross multiply
    283,607.93x = 391,373.93 × 154,547.54
  4. Step 4: Simplify right side
    283,607.93x = 60,485,879,330.93
  5. Step 5: Solve for x
    x = 60,485,879,330.93/283,607.93
  6. Step 6: Final answer
    x = 213,272.88

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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.