Home / 295,088.20-442,632.30-288,527.20

Finding the Fourth Proportional to 295,088.20, 442,632.30 and 288,527.20

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Solution

The fourth proportional to 295,088.20, 442,632.30 and 288,527.20 is: 432,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,088.20 : 442,632.30 = 288,527.20 : x
  2. Step 2: Convert to fraction form
    295,088.20/442,632.30 = 288,527.20/x
  3. Step 3: Cross multiply
    295,088.20x = 442,632.30 × 288,527.20
  4. Step 4: Simplify right side
    295,088.20x = 127,711,458,148.56
  5. Step 5: Solve for x
    x = 127,711,458,148.56/295,088.20
  6. Step 6: Final answer
    x = 432,790.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.