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Finding the Fourth Proportional to 439,009.84, 658,606.56 and 249,557.32

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Solution

The fourth proportional to 439,009.84, 658,606.56 and 249,557.32 is: 374,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,009.84 : 658,606.56 = 249,557.32 : x
  2. Step 2: Convert to fraction form
    439,009.84/658,606.56 = 249,557.32/x
  3. Step 3: Cross multiply
    439,009.84x = 658,606.56 × 249,557.32
  4. Step 4: Simplify right side
    439,009.84x = 164,360,088,048.02
  5. Step 5: Solve for x
    x = 164,360,088,048.02/439,009.84
  6. Step 6: Final answer
    x = 374,388.16

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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.