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Finding the Fourth Proportional to 502,999.41, 754,573.95 and 166,075.65

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Solution

The fourth proportional to 502,999.41, 754,573.95 and 166,075.65 is: 249,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,999.41 : 754,573.95 = 166,075.65 : x
  2. Step 2: Convert to fraction form
    502,999.41/754,573.95 = 166,075.65/x
  3. Step 3: Cross multiply
    502,999.41x = 754,573.95 × 166,075.65
  4. Step 4: Simplify right side
    502,999.41x = 125,316,359,219.32
  5. Step 5: Solve for x
    x = 125,316,359,219.32/502,999.41
  6. Step 6: Final answer
    x = 249,138.18

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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.