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Finding the Fourth Proportional to 373,068.96, 559,482.48 and 123,684

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Solution

The fourth proportional to 373,068.96, 559,482.48 and 123,684 is: 185,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,068.96 : 559,482.48 = 123,684 : x
  2. Step 2: Convert to fraction form
    373,068.96/559,482.48 = 123,684/x
  3. Step 3: Cross multiply
    373,068.96x = 559,482.48 × 123,684
  4. Step 4: Simplify right side
    373,068.96x = 69,199,031,056.32
  5. Step 5: Solve for x
    x = 69,199,031,056.32/373,068.96
  6. Step 6: Final answer
    x = 185,485.90

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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.