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Finding the Fourth Proportional to 671,881.05, 927,195.66 and 370,075.05

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Solution

The fourth proportional to 671,881.05, 927,195.66 and 370,075.05 is: 510,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,881.05 : 927,195.66 = 370,075.05 : x
  2. Step 2: Convert to fraction form
    671,881.05/927,195.66 = 370,075.05/x
  3. Step 3: Cross multiply
    671,881.05x = 927,195.66 × 370,075.05
  4. Step 4: Simplify right side
    671,881.05x = 343,131,980,234.28
  5. Step 5: Solve for x
    x = 343,131,980,234.28/671,881.05
  6. Step 6: Final answer
    x = 510,703.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.