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Finding the Fourth Proportional to 431,036.48, 594,785.59 and 265,438.12

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Solution

The fourth proportional to 431,036.48, 594,785.59 and 265,438.12 is: 366,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,036.48 : 594,785.59 = 265,438.12 : x
  2. Step 2: Convert to fraction form
    431,036.48/594,785.59 = 265,438.12/x
  3. Step 3: Cross multiply
    431,036.48x = 594,785.59 × 265,438.12
  4. Step 4: Simplify right side
    431,036.48x = 157,878,768,812.69
  5. Step 5: Solve for x
    x = 157,878,768,812.69/431,036.48
  6. Step 6: Final answer
    x = 366,277.05

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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.