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Finding the Fourth Proportional to 360,646.47, 497,692.08 and 197,304.30

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Solution

The fourth proportional to 360,646.47, 497,692.08 and 197,304.30 is: 272,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,646.47 : 497,692.08 = 197,304.30 : x
  2. Step 2: Convert to fraction form
    360,646.47/497,692.08 = 197,304.30/x
  3. Step 3: Cross multiply
    360,646.47x = 497,692.08 × 197,304.30
  4. Step 4: Simplify right side
    360,646.47x = 98,196,787,459.94
  5. Step 5: Solve for x
    x = 98,196,787,459.94/360,646.47
  6. Step 6: Final answer
    x = 272,279.91

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1.5x scale

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.