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Finding the Fourth Proportional to 578,575.44, 864,344.75 and 374,509.17

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Solution

The fourth proportional to 578,575.44, 864,344.75 and 374,509.17 is: 559,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,575.44 : 864,344.75 = 374,509.17 : x
  2. Step 2: Convert to fraction form
    578,575.44/864,344.75 = 374,509.17/x
  3. Step 3: Cross multiply
    578,575.44x = 864,344.75 × 374,509.17
  4. Step 4: Simplify right side
    578,575.44x = 323,705,033,043.81
  5. Step 5: Solve for x
    x = 323,705,033,043.81/578,575.44
  6. Step 6: Final answer
    x = 559,486.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.