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Finding the Fourth Proportional to 507,897.39, 700,906.29 and 278,475.63

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Solution

The fourth proportional to 507,897.39, 700,906.29 and 278,475.63 is: 384,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,897.39 : 700,906.29 = 278,475.63 : x
  2. Step 2: Convert to fraction form
    507,897.39/700,906.29 = 278,475.63/x
  3. Step 3: Cross multiply
    507,897.39x = 700,906.29 × 278,475.63
  4. Step 4: Simplify right side
    507,897.39x = 195,185,320,678.71
  5. Step 5: Solve for x
    x = 195,185,320,678.71/507,897.39
  6. Step 6: Final answer
    x = 384,300.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.