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Finding the Fourth Proportional to 539,168.60, 808,364.10 and 302,583.80

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Solution

The fourth proportional to 539,168.60, 808,364.10 and 302,583.80 is: 453,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,168.60 : 808,364.10 = 302,583.80 : x
  2. Step 2: Convert to fraction form
    539,168.60/808,364.10 = 302,583.80/x
  3. Step 3: Cross multiply
    539,168.60x = 808,364.10 × 302,583.80
  4. Step 4: Simplify right side
    539,168.60x = 244,597,881,161.58
  5. Step 5: Solve for x
    x = 244,597,881,161.58/539,168.60
  6. Step 6: Final answer
    x = 453,657.50

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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.