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Finding the Fourth Proportional to 647,566.60, 971,349.90 and 544,923.40

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Solution

The fourth proportional to 647,566.60, 971,349.90 and 544,923.40 is: 817,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,566.60 : 971,349.90 = 544,923.40 : x
  2. Step 2: Convert to fraction form
    647,566.60/971,349.90 = 544,923.40/x
  3. Step 3: Cross multiply
    647,566.60x = 971,349.90 × 544,923.40
  4. Step 4: Simplify right side
    647,566.60x = 529,311,290,097.66
  5. Step 5: Solve for x
    x = 529,311,290,097.66/647,566.60
  6. Step 6: Final answer
    x = 817,385.10

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