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Finding the Fourth Proportional to 426,291.20, 597,913.60 and 426,291.20

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Solution

The fourth proportional to 426,291.20, 597,913.60 and 426,291.20 is: 597,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,291.20 : 597,913.60 = 426,291.20 : x
  2. Step 2: Convert to fraction form
    426,291.20/597,913.60 = 426,291.20/x
  3. Step 3: Cross multiply
    426,291.20x = 597,913.60 × 426,291.20
  4. Step 4: Simplify right side
    426,291.20x = 254,885,306,040.32
  5. Step 5: Solve for x
    x = 254,885,306,040.32/426,291.20
  6. Step 6: Final answer
    x = 597,913.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.