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Finding the Fourth Proportional to 531,816.50, 797,731.70 and 176,830.51

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Solution

The fourth proportional to 531,816.50, 797,731.70 and 176,830.51 is: 265,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,816.50 : 797,731.70 = 176,830.51 : x
  2. Step 2: Convert to fraction form
    531,816.50/797,731.70 = 176,830.51/x
  3. Step 3: Cross multiply
    531,816.50x = 797,731.70 × 176,830.51
  4. Step 4: Simplify right side
    531,816.50x = 141,063,303,354.17
  5. Step 5: Solve for x
    x = 141,063,303,354.17/531,816.50
  6. Step 6: Final answer
    x = 265,248.08

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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.