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Finding the Fourth Proportional to 243,377.40, 365,066.10 and 176,503.80

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Solution

The fourth proportional to 243,377.40, 365,066.10 and 176,503.80 is: 264,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,377.40 : 365,066.10 = 176,503.80 : x
  2. Step 2: Convert to fraction form
    243,377.40/365,066.10 = 176,503.80/x
  3. Step 3: Cross multiply
    243,377.40x = 365,066.10 × 176,503.80
  4. Step 4: Simplify right side
    243,377.40x = 64,435,553,901.18
  5. Step 5: Solve for x
    x = 64,435,553,901.18/243,377.40
  6. Step 6: Final answer
    x = 264,755.70

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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.