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Finding the Fourth Proportional to 480,043, 662,459.34 and 268,075

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Solution

The fourth proportional to 480,043, 662,459.34 and 268,075 is: 369,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,043 : 662,459.34 = 268,075 : x
  2. Step 2: Convert to fraction form
    480,043/662,459.34 = 268,075/x
  3. Step 3: Cross multiply
    480,043x = 662,459.34 × 268,075
  4. Step 4: Simplify right side
    480,043x = 177,588,787,570.50
  5. Step 5: Solve for x
    x = 177,588,787,570.50/480,043
  6. Step 6: Final answer
    x = 369,943.50

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1.5x scale

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.