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Finding the Fourth Proportional to 350,010,012.70, 525,015,019.05 and 350,010,012.70

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Solution

The fourth proportional to 350,010,012.70, 525,015,019.05 and 350,010,012.70 is: 525,015,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,010,012.70 : 525,015,019.05 = 350,010,012.70 : x
  2. Step 2: Convert to fraction form
    350,010,012.70/525,015,019.05 = 350,010,012.70/x
  3. Step 3: Cross multiply
    350,010,012.70x = 525,015,019.05 × 350,010,012.70
  4. Step 4: Simplify right side
    350,010,012.70x = 183,760,513,485,381,248
  5. Step 5: Solve for x
    x = 183,760,513,485,381,248/350,010,012.70
  6. Step 6: Final answer
    x = 525,015,019.05

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1.5x scale

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.