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Finding the Fourth Proportional to 560,184,718.80, 839,710,207.80 and 330,035,336.40

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Solution

The fourth proportional to 560,184,718.80, 839,710,207.80 and 330,035,336.40 is: 494,719,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,184,718.80 : 839,710,207.80 = 330,035,336.40 : x
  2. Step 2: Convert to fraction form
    560,184,718.80/839,710,207.80 = 330,035,336.40/x
  3. Step 3: Cross multiply
    560,184,718.80x = 839,710,207.80 × 330,035,336.40
  4. Step 4: Simplify right side
    560,184,718.80x = 277,134,040,909,786,880
  5. Step 5: Solve for x
    x = 277,134,040,909,786,880/560,184,718.80
  6. Step 6: Final answer
    x = 494,719,030.36

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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.