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Finding the Fourth Proportional to 898,242.23, 1,239,978.44 and 592,499.63

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Solution

The fourth proportional to 898,242.23, 1,239,978.44 and 592,499.63 is: 817,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,242.23 : 1,239,978.44 = 592,499.63 : x
  2. Step 2: Convert to fraction form
    898,242.23/1,239,978.44 = 592,499.63/x
  3. Step 3: Cross multiply
    898,242.23x = 1,239,978.44 × 592,499.63
  4. Step 4: Simplify right side
    898,242.23x = 734,686,766,907.98
  5. Step 5: Solve for x
    x = 734,686,766,907.98/898,242.23
  6. Step 6: Final answer
    x = 817,916.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.