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Finding the Fourth Proportional to 452,820.63, 624,632.26 and 282,759.51

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Solution

The fourth proportional to 452,820.63, 624,632.26 and 282,759.51 is: 390,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,820.63 : 624,632.26 = 282,759.51 : x
  2. Step 2: Convert to fraction form
    452,820.63/624,632.26 = 282,759.51/x
  3. Step 3: Cross multiply
    452,820.63x = 624,632.26 × 282,759.51
  4. Step 4: Simplify right side
    452,820.63x = 176,620,710,419.88
  5. Step 5: Solve for x
    x = 176,620,710,419.88/452,820.63
  6. Step 6: Final answer
    x = 390,045.64

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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.