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Finding the Fourth Proportional to 963,328.80, 1,444,555.80 and 364,090.80

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Solution

The fourth proportional to 963,328.80, 1,444,555.80 and 364,090.80 is: 545,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,328.80 : 1,444,555.80 = 364,090.80 : x
  2. Step 2: Convert to fraction form
    963,328.80/1,444,555.80 = 364,090.80/x
  3. Step 3: Cross multiply
    963,328.80x = 1,444,555.80 × 364,090.80
  4. Step 4: Simplify right side
    963,328.80x = 525,949,476,866.64
  5. Step 5: Solve for x
    x = 525,949,476,866.64/963,328.80
  6. Step 6: Final answer
    x = 545,970.88

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1.5x scale

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.