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Finding the Fourth Proportional to 358,692.98, 495,018.69 and 197,547.98

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Solution

The fourth proportional to 358,692.98, 495,018.69 and 197,547.98 is: 272,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,692.98 : 495,018.69 = 197,547.98 : x
  2. Step 2: Convert to fraction form
    358,692.98/495,018.69 = 197,547.98/x
  3. Step 3: Cross multiply
    358,692.98x = 495,018.69 × 197,547.98
  4. Step 4: Simplify right side
    358,692.98x = 97,789,941,840.33
  5. Step 5: Solve for x
    x = 97,789,941,840.33/358,692.98
  6. Step 6: Final answer
    x = 272,628.54

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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.