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Finding the Fourth Proportional to 377,762.40, 566,643.60 and 328,554.90

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Solution

The fourth proportional to 377,762.40, 566,643.60 and 328,554.90 is: 492,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,762.40 : 566,643.60 = 328,554.90 : x
  2. Step 2: Convert to fraction form
    377,762.40/566,643.60 = 328,554.90/x
  3. Step 3: Cross multiply
    377,762.40x = 566,643.60 × 328,554.90
  4. Step 4: Simplify right side
    377,762.40x = 186,173,531,333.64
  5. Step 5: Solve for x
    x = 186,173,531,333.64/377,762.40
  6. Step 6: Final answer
    x = 492,832.35

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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.