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Finding the Fourth Proportional to 538,526.40, 752,462.40 and 538,526.40

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Solution

The fourth proportional to 538,526.40, 752,462.40 and 538,526.40 is: 752,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,526.40 : 752,462.40 = 538,526.40 : x
  2. Step 2: Convert to fraction form
    538,526.40/752,462.40 = 538,526.40/x
  3. Step 3: Cross multiply
    538,526.40x = 752,462.40 × 538,526.40
  4. Step 4: Simplify right side
    538,526.40x = 405,220,867,407.36
  5. Step 5: Solve for x
    x = 405,220,867,407.36/538,526.40
  6. Step 6: Final answer
    x = 752,462.40

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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.