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Finding the Fourth Proportional to 522,069.35, 729,322.45 and 522,069.35

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Solution

The fourth proportional to 522,069.35, 729,322.45 and 522,069.35 is: 729,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,069.35 : 729,322.45 = 522,069.35 : x
  2. Step 2: Convert to fraction form
    522,069.35/729,322.45 = 522,069.35/x
  3. Step 3: Cross multiply
    522,069.35x = 729,322.45 × 522,069.35
  4. Step 4: Simplify right side
    522,069.35x = 380,756,897,411.91
  5. Step 5: Solve for x
    x = 380,756,897,411.91/522,069.35
  6. Step 6: Final answer
    x = 729,322.45

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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.