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Finding the Fourth Proportional to 354,501.40, 532,097.70 and 177,208.60

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Solution

The fourth proportional to 354,501.40, 532,097.70 and 177,208.60 is: 265,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,501.40 : 532,097.70 = 177,208.60 : x
  2. Step 2: Convert to fraction form
    354,501.40/532,097.70 = 177,208.60/x
  3. Step 3: Cross multiply
    354,501.40x = 532,097.70 × 177,208.60
  4. Step 4: Simplify right side
    354,501.40x = 94,292,288,480.22
  5. Step 5: Solve for x
    x = 94,292,288,480.22/354,501.40
  6. Step 6: Final answer
    x = 265,985.66

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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.