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Finding the Fourth Proportional to 356,689.98, 535,094.05 and 176,783.87

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Solution

The fourth proportional to 356,689.98, 535,094.05 and 176,783.87 is: 265,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,689.98 : 535,094.05 = 176,783.87 : x
  2. Step 2: Convert to fraction form
    356,689.98/535,094.05 = 176,783.87/x
  3. Step 3: Cross multiply
    356,689.98x = 535,094.05 × 176,783.87
  4. Step 4: Simplify right side
    356,689.98x = 94,595,995,190.31
  5. Step 5: Solve for x
    x = 94,595,995,190.31/356,689.98
  6. Step 6: Final answer
    x = 265,205.08

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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.