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Finding the Fourth Proportional to 704,009.60, 1,053,681.60 and 494,057.60

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Solution

The fourth proportional to 704,009.60, 1,053,681.60 and 494,057.60 is: 739,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,009.60 : 1,053,681.60 = 494,057.60 : x
  2. Step 2: Convert to fraction form
    704,009.60/1,053,681.60 = 494,057.60/x
  3. Step 3: Cross multiply
    704,009.60x = 1,053,681.60 × 494,057.60
  4. Step 4: Simplify right side
    704,009.60x = 520,579,402,460.16
  5. Step 5: Solve for x
    x = 520,579,402,460.16/704,009.60
  6. Step 6: Final answer
    x = 739,449.30

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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.