Home / 345,686.04-477,152.18-200,528.51

Finding the Fourth Proportional to 345,686.04, 477,152.18 and 200,528.51

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Solution

The fourth proportional to 345,686.04, 477,152.18 and 200,528.51 is: 276,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,686.04 : 477,152.18 = 200,528.51 : x
  2. Step 2: Convert to fraction form
    345,686.04/477,152.18 = 200,528.51/x
  3. Step 3: Cross multiply
    345,686.04x = 477,152.18 × 200,528.51
  4. Step 4: Simplify right side
    345,686.04x = 95,682,613,503.13
  5. Step 5: Solve for x
    x = 95,682,613,503.13/345,686.04
  6. Step 6: Final answer
    x = 276,790.50

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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.