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Finding the Fourth Proportional to 570,713,263.72, 787,632,875.94 and 323,238,642.28

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Solution

The fourth proportional to 570,713,263.72, 787,632,875.94 and 323,238,642.28 is: 446,096,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,713,263.72 : 787,632,875.94 = 323,238,642.28 : x
  2. Step 2: Convert to fraction form
    570,713,263.72/787,632,875.94 = 323,238,642.28/x
  3. Step 3: Cross multiply
    570,713,263.72x = 787,632,875.94 × 323,238,642.28
  4. Step 4: Simplify right side
    570,713,263.72x = 254,593,381,433,937,280
  5. Step 5: Solve for x
    x = 254,593,381,433,937,280/570,713,263.72
  6. Step 6: Final answer
    x = 446,096,836.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.