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Finding the Fourth Proportional to 647,535.60, 971,303.40 and 544,892.40

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Solution

The fourth proportional to 647,535.60, 971,303.40 and 544,892.40 is: 817,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,535.60 : 971,303.40 = 544,892.40 : x
  2. Step 2: Convert to fraction form
    647,535.60/971,303.40 = 544,892.40/x
  3. Step 3: Cross multiply
    647,535.60x = 971,303.40 × 544,892.40
  4. Step 4: Simplify right side
    647,535.60x = 529,255,840,754.16
  5. Step 5: Solve for x
    x = 529,255,840,754.16/647,535.60
  6. Step 6: Final answer
    x = 817,338.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.