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Finding the Fourth Proportional to 550,155.44, 759,216.44 and 346,341.22

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Solution

The fourth proportional to 550,155.44, 759,216.44 and 346,341.22 is: 477,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,155.44 : 759,216.44 = 346,341.22 : x
  2. Step 2: Convert to fraction form
    550,155.44/759,216.44 = 346,341.22/x
  3. Step 3: Cross multiply
    550,155.44x = 759,216.44 × 346,341.22
  4. Step 4: Simplify right side
    550,155.44x = 262,947,947,041.47
  5. Step 5: Solve for x
    x = 262,947,947,041.47/550,155.44
  6. Step 6: Final answer
    x = 477,952.10

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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.