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Finding the Fourth Proportional to 330,081,835.40, 494,046,585.08 and 330,081,835.40

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Solution

The fourth proportional to 330,081,835.40, 494,046,585.08 and 330,081,835.40 is: 494,046,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,081,835.40 : 494,046,585.08 = 330,081,835.40 : x
  2. Step 2: Convert to fraction form
    330,081,835.40/494,046,585.08 = 330,081,835.40/x
  3. Step 3: Cross multiply
    330,081,835.40x = 494,046,585.08 × 330,081,835.40
  4. Step 4: Simplify right side
    330,081,835.40x = 163,075,803,574,658,240
  5. Step 5: Solve for x
    x = 163,075,803,574,658,240/330,081,835.40
  6. Step 6: Final answer
    x = 494,046,585.08

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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.