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Finding the Fourth Proportional to 554,090.55, 832,317.18 and 521,695.16

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Solution

The fourth proportional to 554,090.55, 832,317.18 and 521,695.16 is: 783,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,090.55 : 832,317.18 = 521,695.16 : x
  2. Step 2: Convert to fraction form
    554,090.55/832,317.18 = 521,695.16/x
  3. Step 3: Cross multiply
    554,090.55x = 832,317.18 × 521,695.16
  4. Step 4: Simplify right side
    554,090.55x = 434,215,844,328.63
  5. Step 5: Solve for x
    x = 434,215,844,328.63/554,090.55
  6. Step 6: Final answer
    x = 783,655.03

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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.