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Finding the Fourth Proportional to 371,656.30, 554,675.88 and 335,784.10

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Solution

The fourth proportional to 371,656.30, 554,675.88 and 335,784.10 is: 501,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,656.30 : 554,675.88 = 335,784.10 : x
  2. Step 2: Convert to fraction form
    371,656.30/554,675.88 = 335,784.10/x
  3. Step 3: Cross multiply
    371,656.30x = 554,675.88 × 335,784.10
  4. Step 4: Simplify right side
    371,656.30x = 186,251,341,157.51
  5. Step 5: Solve for x
    x = 186,251,341,157.51/371,656.30
  6. Step 6: Final answer
    x = 501,138.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.