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Finding the Fourth Proportional to 559,872,585.60, 839,808,878.40 and 171,692,332.80

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Solution

The fourth proportional to 559,872,585.60, 839,808,878.40 and 171,692,332.80 is: 257,538,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,585.60 : 839,808,878.40 = 171,692,332.80 : x
  2. Step 2: Convert to fraction form
    559,872,585.60/839,808,878.40 = 171,692,332.80/x
  3. Step 3: Cross multiply
    559,872,585.60x = 839,808,878.40 × 171,692,332.80
  4. Step 4: Simplify right side
    559,872,585.60x = 144,188,745,438,647,552
  5. Step 5: Solve for x
    x = 144,188,745,438,647,552/559,872,585.60
  6. Step 6: Final answer
    x = 257,538,499.20

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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.