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Finding the Fourth Proportional to 658,382.25, 908,567.51 and 356,576.25

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Solution

The fourth proportional to 658,382.25, 908,567.51 and 356,576.25 is: 492,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,382.25 : 908,567.51 = 356,576.25 : x
  2. Step 2: Convert to fraction form
    658,382.25/908,567.51 = 356,576.25/x
  3. Step 3: Cross multiply
    658,382.25x = 908,567.51 × 356,576.25
  4. Step 4: Simplify right side
    658,382.25x = 323,973,593,804.76
  5. Step 5: Solve for x
    x = 323,973,593,804.76/658,382.25
  6. Step 6: Final answer
    x = 492,075.23

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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.