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Finding the Fourth Proportional to 894,483, 1,234,386.54 and 492,075

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Solution

The fourth proportional to 894,483, 1,234,386.54 and 492,075 is: 679,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,483 : 1,234,386.54 = 492,075 : x
  2. Step 2: Convert to fraction form
    894,483/1,234,386.54 = 492,075/x
  3. Step 3: Cross multiply
    894,483x = 1,234,386.54 × 492,075
  4. Step 4: Simplify right side
    894,483x = 607,410,756,670.50
  5. Step 5: Solve for x
    x = 607,410,756,670.50/894,483
  6. Step 6: Final answer
    x = 679,063.50

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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.