Home / 346,386.28-476,178.20-297,809.32

Finding the Fourth Proportional to 346,386.28, 476,178.20 and 297,809.32

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Solution

The fourth proportional to 346,386.28, 476,178.20 and 297,809.32 is: 409,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,386.28 : 476,178.20 = 297,809.32 : x
  2. Step 2: Convert to fraction form
    346,386.28/476,178.20 = 297,809.32/x
  3. Step 3: Cross multiply
    346,386.28x = 476,178.20 × 297,809.32
  4. Step 4: Simplify right side
    346,386.28x = 141,810,305,940.82
  5. Step 5: Solve for x
    x = 141,810,305,940.82/346,386.28
  6. Step 6: Final answer
    x = 409,399.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.