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Finding the Fourth Proportional to 410,343.60, 566,368.62 and 240,632.40

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Solution

The fourth proportional to 410,343.60, 566,368.62 and 240,632.40 is: 332,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,343.60 : 566,368.62 = 240,632.40 : x
  2. Step 2: Convert to fraction form
    410,343.60/566,368.62 = 240,632.40/x
  3. Step 3: Cross multiply
    410,343.60x = 566,368.62 × 240,632.40
  4. Step 4: Simplify right side
    410,343.60x = 136,286,640,315.29
  5. Step 5: Solve for x
    x = 136,286,640,315.29/410,343.60
  6. Step 6: Final answer
    x = 332,128.10

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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.