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Finding the Fourth Proportional to 567,042.10, 849,688.35 and 491,809.30

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Solution

The fourth proportional to 567,042.10, 849,688.35 and 491,809.30 is: 736,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,042.10 : 849,688.35 = 491,809.30 : x
  2. Step 2: Convert to fraction form
    567,042.10/849,688.35 = 491,809.30/x
  3. Step 3: Cross multiply
    567,042.10x = 849,688.35 × 491,809.30
  4. Step 4: Simplify right side
    567,042.10x = 417,884,632,631.66
  5. Step 5: Solve for x
    x = 417,884,632,631.66/567,042.10
  6. Step 6: Final answer
    x = 736,955.21

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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.