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Finding the Fourth Proportional to 574,173.84, 791,538.72 and 403,879.44

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Solution

The fourth proportional to 574,173.84, 791,538.72 and 403,879.44 is: 556,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,173.84 : 791,538.72 = 403,879.44 : x
  2. Step 2: Convert to fraction form
    574,173.84/791,538.72 = 403,879.44/x
  3. Step 3: Cross multiply
    574,173.84x = 791,538.72 × 403,879.44
  4. Step 4: Simplify right side
    574,173.84x = 319,686,214,971.92
  5. Step 5: Solve for x
    x = 319,686,214,971.92/574,173.84
  6. Step 6: Final answer
    x = 556,776.00

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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.