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Finding the Fourth Proportional to 369,402.76, 554,135.55 and 116,615.62

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Solution

The fourth proportional to 369,402.76, 554,135.55 and 116,615.62 is: 174,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,402.76 : 554,135.55 = 116,615.62 : x
  2. Step 2: Convert to fraction form
    369,402.76/554,135.55 = 116,615.62/x
  3. Step 3: Cross multiply
    369,402.76x = 554,135.55 × 116,615.62
  4. Step 4: Simplify right side
    369,402.76x = 64,620,860,727.29
  5. Step 5: Solve for x
    x = 64,620,860,727.29/369,402.76
  6. Step 6: Final answer
    x = 174,933.35

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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.