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Finding the Fourth Proportional to 316,692.01, 437,030.57 and 180,769.06

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Solution

The fourth proportional to 316,692.01, 437,030.57 and 180,769.06 is: 249,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,692.01 : 437,030.57 = 180,769.06 : x
  2. Step 2: Convert to fraction form
    316,692.01/437,030.57 = 180,769.06/x
  3. Step 3: Cross multiply
    316,692.01x = 437,030.57 × 180,769.06
  4. Step 4: Simplify right side
    316,692.01x = 79,001,602,241.17
  5. Step 5: Solve for x
    x = 79,001,602,241.17/316,692.01
  6. Step 6: Final answer
    x = 249,458.78

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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.