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Finding the Fourth Proportional to 535,398.66, 803,308.29 and 235,669.13

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Solution

The fourth proportional to 535,398.66, 803,308.29 and 235,669.13 is: 353,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,398.66 : 803,308.29 = 235,669.13 : x
  2. Step 2: Convert to fraction form
    535,398.66/803,308.29 = 235,669.13/x
  3. Step 3: Cross multiply
    535,398.66x = 803,308.29 × 235,669.13
  4. Step 4: Simplify right side
    535,398.66x = 189,314,963,938.19
  5. Step 5: Solve for x
    x = 189,314,963,938.19/535,398.66
  6. Step 6: Final answer
    x = 353,596.26

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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.