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Finding the Fourth Proportional to 426,289.74, 588,284.76 and 235,303.32

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Solution

The fourth proportional to 426,289.74, 588,284.76 and 235,303.32 is: 324,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,289.74 : 588,284.76 = 235,303.32 : x
  2. Step 2: Convert to fraction form
    426,289.74/588,284.76 = 235,303.32/x
  3. Step 3: Cross multiply
    426,289.74x = 588,284.76 × 235,303.32
  4. Step 4: Simplify right side
    426,289.74x = 138,425,357,133.40
  5. Step 5: Solve for x
    x = 138,425,357,133.40/426,289.74
  6. Step 6: Final answer
    x = 324,721.30

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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.