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Finding the Fourth Proportional to 402,897.29, 604,280.27 and 118,521.35

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Solution

The fourth proportional to 402,897.29, 604,280.27 and 118,521.35 is: 177,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,897.29 : 604,280.27 = 118,521.35 : x
  2. Step 2: Convert to fraction form
    402,897.29/604,280.27 = 118,521.35/x
  3. Step 3: Cross multiply
    402,897.29x = 604,280.27 × 118,521.35
  4. Step 4: Simplify right side
    402,897.29x = 71,620,114,296.86
  5. Step 5: Solve for x
    x = 71,620,114,296.86/402,897.29
  6. Step 6: Final answer
    x = 177,762.71

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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.