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Finding the Fourth Proportional to 563,521,604.40, 787,317,814.80 and 563,521,604.40

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Solution

The fourth proportional to 563,521,604.40, 787,317,814.80 and 563,521,604.40 is: 787,317,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,521,604.40 : 787,317,814.80 = 563,521,604.40 : x
  2. Step 2: Convert to fraction form
    563,521,604.40/787,317,814.80 = 563,521,604.40/x
  3. Step 3: Cross multiply
    563,521,604.40x = 787,317,814.80 × 563,521,604.40
  4. Step 4: Simplify right side
    563,521,604.40x = 443,670,598,168,798,016
  5. Step 5: Solve for x
    x = 443,670,598,168,798,016/563,521,604.40
  6. Step 6: Final answer
    x = 787,317,814.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.