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Finding the Fourth Proportional to 357,597.37, 535,897.30 and 268,746.85

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Solution

The fourth proportional to 357,597.37, 535,897.30 and 268,746.85 is: 402,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,597.37 : 535,897.30 = 268,746.85 : x
  2. Step 2: Convert to fraction form
    357,597.37/535,897.30 = 268,746.85/x
  3. Step 3: Cross multiply
    357,597.37x = 535,897.30 × 268,746.85
  4. Step 4: Simplify right side
    357,597.37x = 144,020,711,298.51
  5. Step 5: Solve for x
    x = 144,020,711,298.51/357,597.37
  6. Step 6: Final answer
    x = 402,745.44

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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.