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Finding the Fourth Proportional to 375,696,523.80, 563,544,785.70 and 103,066,853.40

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Solution

The fourth proportional to 375,696,523.80, 563,544,785.70 and 103,066,853.40 is: 154,600,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,696,523.80 : 563,544,785.70 = 103,066,853.40 : x
  2. Step 2: Convert to fraction form
    375,696,523.80/563,544,785.70 = 103,066,853.40/x
  3. Step 3: Cross multiply
    375,696,523.80x = 563,544,785.70 × 103,066,853.40
  4. Step 4: Simplify right side
    375,696,523.80x = 58,082,787,812,076,328
  5. Step 5: Solve for x
    x = 58,082,787,812,076,328/375,696,523.80
  6. Step 6: Final answer
    x = 154,600,280.10

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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.