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Finding the Fourth Proportional to 350,701,143.90, 492,056,555.70 and 350,701,143.90

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Solution

The fourth proportional to 350,701,143.90, 492,056,555.70 and 350,701,143.90 is: 492,056,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,701,143.90 : 492,056,555.70 = 350,701,143.90 : x
  2. Step 2: Convert to fraction form
    350,701,143.90/492,056,555.70 = 350,701,143.90/x
  3. Step 3: Cross multiply
    350,701,143.90x = 492,056,555.70 × 350,701,143.90
  4. Step 4: Simplify right side
    350,701,143.90x = 172,564,796,947,484,064
  5. Step 5: Solve for x
    x = 172,564,796,947,484,064/350,701,143.90
  6. Step 6: Final answer
    x = 492,056,555.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.