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Finding the Fourth Proportional to 356,727.60, 535,091.40 and 324,068.40

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Solution

The fourth proportional to 356,727.60, 535,091.40 and 324,068.40 is: 486,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,727.60 : 535,091.40 = 324,068.40 : x
  2. Step 2: Convert to fraction form
    356,727.60/535,091.40 = 324,068.40/x
  3. Step 3: Cross multiply
    356,727.60x = 535,091.40 × 324,068.40
  4. Step 4: Simplify right side
    356,727.60x = 173,406,213,851.76
  5. Step 5: Solve for x
    x = 173,406,213,851.76/356,727.60
  6. Step 6: Final answer
    x = 486,102.60

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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.