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Finding the Fourth Proportional to 908,484.64, 1,253,692.56 and 506,068

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Solution

The fourth proportional to 908,484.64, 1,253,692.56 and 506,068 is: 698,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,484.64 : 1,253,692.56 = 506,068 : x
  2. Step 2: Convert to fraction form
    908,484.64/1,253,692.56 = 506,068/x
  3. Step 3: Cross multiply
    908,484.64x = 1,253,692.56 × 506,068
  4. Step 4: Simplify right side
    908,484.64x = 634,453,686,454.08
  5. Step 5: Solve for x
    x = 634,453,686,454.08/908,484.64
  6. Step 6: Final answer
    x = 698,364.79

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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.