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Finding the Fourth Proportional to 671,878.04, 927,191.52 and 370,072.04

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Solution

The fourth proportional to 671,878.04, 927,191.52 and 370,072.04 is: 510,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,878.04 : 927,191.52 = 370,072.04 : x
  2. Step 2: Convert to fraction form
    671,878.04/927,191.52 = 370,072.04/x
  3. Step 3: Cross multiply
    671,878.04x = 927,191.52 × 370,072.04
  4. Step 4: Simplify right side
    671,878.04x = 343,127,657,277.10
  5. Step 5: Solve for x
    x = 343,127,657,277.10/671,878.04
  6. Step 6: Final answer
    x = 510,699.32

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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.