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Finding the Fourth Proportional to 536,496.98, 804,870.03 and 157,402.40

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Solution

The fourth proportional to 536,496.98, 804,870.03 and 157,402.40 is: 236,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,496.98 : 804,870.03 = 157,402.40 : x
  2. Step 2: Convert to fraction form
    536,496.98/804,870.03 = 157,402.40/x
  3. Step 3: Cross multiply
    536,496.98x = 804,870.03 × 157,402.40
  4. Step 4: Simplify right side
    536,496.98x = 126,688,470,385.72
  5. Step 5: Solve for x
    x = 126,688,470,385.72/536,496.98
  6. Step 6: Final answer
    x = 236,140.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.