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Finding the Fourth Proportional to 423,266.40, 593,402.40 and 423,266.40

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Solution

The fourth proportional to 423,266.40, 593,402.40 and 423,266.40 is: 593,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,266.40 : 593,402.40 = 423,266.40 : x
  2. Step 2: Convert to fraction form
    423,266.40/593,402.40 = 423,266.40/x
  3. Step 3: Cross multiply
    423,266.40x = 593,402.40 × 423,266.40
  4. Step 4: Simplify right side
    423,266.40x = 251,167,297,599.36
  5. Step 5: Solve for x
    x = 251,167,297,599.36/423,266.40
  6. Step 6: Final answer
    x = 593,402.40

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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.