Home / 475,218.08-655,275.58-302,863.28

Finding the Fourth Proportional to 475,218.08, 655,275.58 and 302,863.28

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Solution

The fourth proportional to 475,218.08, 655,275.58 and 302,863.28 is: 417,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,218.08 : 655,275.58 = 302,863.28 : x
  2. Step 2: Convert to fraction form
    475,218.08/655,275.58 = 302,863.28/x
  3. Step 3: Cross multiply
    475,218.08x = 655,275.58 × 302,863.28
  4. Step 4: Simplify right side
    475,218.08x = 198,458,911,462.70
  5. Step 5: Solve for x
    x = 198,458,911,462.70/475,218.08
  6. Step 6: Final answer
    x = 417,616.50

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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.