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Finding the Fourth Proportional to 431,155.08, 595,007.50 and 247,427.26

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Solution

The fourth proportional to 431,155.08, 595,007.50 and 247,427.26 is: 341,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,155.08 : 595,007.50 = 247,427.26 : x
  2. Step 2: Convert to fraction form
    431,155.08/595,007.50 = 247,427.26/x
  3. Step 3: Cross multiply
    431,155.08x = 595,007.50 × 247,427.26
  4. Step 4: Simplify right side
    431,155.08x = 147,221,075,404.45
  5. Step 5: Solve for x
    x = 147,221,075,404.45/431,155.08
  6. Step 6: Final answer
    x = 341,457.36

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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.