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Finding the Fourth Proportional to 288,708,581.80, 433,062,872.70 and 94,626,328.60

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Solution

The fourth proportional to 288,708,581.80, 433,062,872.70 and 94,626,328.60 is: 141,939,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,708,581.80 : 433,062,872.70 = 94,626,328.60 : x
  2. Step 2: Convert to fraction form
    288,708,581.80/433,062,872.70 = 94,626,328.60/x
  3. Step 3: Cross multiply
    288,708,581.80x = 433,062,872.70 × 94,626,328.60
  4. Step 4: Simplify right side
    288,708,581.80x = 40,979,149,696,570,168
  5. Step 5: Solve for x
    x = 40,979,149,696,570,168/288,708,581.80
  6. Step 6: Final answer
    x = 141,939,492.90

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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.