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Finding the Fourth Proportional to 369,116.40, 553,674.60 and 182,492.40

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Solution

The fourth proportional to 369,116.40, 553,674.60 and 182,492.40 is: 273,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,116.40 : 553,674.60 = 182,492.40 : x
  2. Step 2: Convert to fraction form
    369,116.40/553,674.60 = 182,492.40/x
  3. Step 3: Cross multiply
    369,116.40x = 553,674.60 × 182,492.40
  4. Step 4: Simplify right side
    369,116.40x = 101,041,406,573.04
  5. Step 5: Solve for x
    x = 101,041,406,573.04/369,116.40
  6. Step 6: Final answer
    x = 273,738.60

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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.