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Finding the Fourth Proportional to 603,596,961.18, 904,471,339.50 and 406,128,959.01

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Solution

The fourth proportional to 603,596,961.18, 904,471,339.50 and 406,128,959.01 is: 608,571,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,596,961.18 : 904,471,339.50 = 406,128,959.01 : x
  2. Step 2: Convert to fraction form
    603,596,961.18/904,471,339.50 = 406,128,959.01/x
  3. Step 3: Cross multiply
    603,596,961.18x = 904,471,339.50 × 406,128,959.01
  4. Step 4: Simplify right side
    603,596,961.18x = 367,332,003,565,515,264
  5. Step 5: Solve for x
    x = 367,332,003,565,515,264/603,596,961.18
  6. Step 6: Final answer
    x = 608,571,658.23

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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.