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Finding the Fourth Proportional to 1,046,808, 1,570,237.92 and 381,960

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Solution

The fourth proportional to 1,046,808, 1,570,237.92 and 381,960 is: 572,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,808 : 1,570,237.92 = 381,960 : x
  2. Step 2: Convert to fraction form
    1,046,808/1,570,237.92 = 381,960/x
  3. Step 3: Cross multiply
    1,046,808x = 1,570,237.92 × 381,960
  4. Step 4: Simplify right side
    1,046,808x = 599,768,075,923.20
  5. Step 5: Solve for x
    x = 599,768,075,923.20/1,046,808
  6. Step 6: Final answer
    x = 572,949.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.