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Finding the Fourth Proportional to 426,693.34, 588,854.64 and 245,405.35

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Solution

The fourth proportional to 426,693.34, 588,854.64 and 245,405.35 is: 338,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,693.34 : 588,854.64 = 245,405.35 : x
  2. Step 2: Convert to fraction form
    426,693.34/588,854.64 = 245,405.35/x
  3. Step 3: Cross multiply
    426,693.34x = 588,854.64 × 245,405.35
  4. Step 4: Simplify right side
    426,693.34x = 144,508,079,028.32
  5. Step 5: Solve for x
    x = 144,508,079,028.32/426,693.34
  6. Step 6: Final answer
    x = 338,669.64

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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.