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Finding the Fourth Proportional to 375,842,396.20, 526,716,831.80 and 375,842,396.20

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Solution

The fourth proportional to 375,842,396.20, 526,716,831.80 and 375,842,396.20 is: 526,716,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,842,396.20 : 526,716,831.80 = 375,842,396.20 : x
  2. Step 2: Convert to fraction form
    375,842,396.20/526,716,831.80 = 375,842,396.20/x
  3. Step 3: Cross multiply
    375,842,396.20x = 526,716,831.80 × 375,842,396.20
  4. Step 4: Simplify right side
    375,842,396.20x = 197,962,516,182,584,352
  5. Step 5: Solve for x
    x = 197,962,516,182,584,352/375,842,396.20
  6. Step 6: Final answer
    x = 526,716,831.80

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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.