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Finding the Fourth Proportional to 507,597.82, 700,484.95 and 303,657.30

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Solution

The fourth proportional to 507,597.82, 700,484.95 and 303,657.30 is: 419,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,597.82 : 700,484.95 = 303,657.30 : x
  2. Step 2: Convert to fraction form
    507,597.82/700,484.95 = 303,657.30/x
  3. Step 3: Cross multiply
    507,597.82x = 700,484.95 × 303,657.30
  4. Step 4: Simplify right side
    507,597.82x = 212,707,368,607.64
  5. Step 5: Solve for x
    x = 212,707,368,607.64/507,597.82
  6. Step 6: Final answer
    x = 419,047.05

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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.