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Finding the Fourth Proportional to 648,175.60, 972,263.40 and 174,908.80

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Solution

The fourth proportional to 648,175.60, 972,263.40 and 174,908.80 is: 262,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,175.60 : 972,263.40 = 174,908.80 : x
  2. Step 2: Convert to fraction form
    648,175.60/972,263.40 = 174,908.80/x
  3. Step 3: Cross multiply
    648,175.60x = 972,263.40 × 174,908.80
  4. Step 4: Simplify right side
    648,175.60x = 170,057,424,577.92
  5. Step 5: Solve for x
    x = 170,057,424,577.92/648,175.60
  6. Step 6: Final answer
    x = 262,363.20

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1.5x scale

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.