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Finding the Fourth Proportional to 531,703.52, 797,551.16 and 132,341.62

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Solution

The fourth proportional to 531,703.52, 797,551.16 and 132,341.62 is: 198,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,703.52 : 797,551.16 = 132,341.62 : x
  2. Step 2: Convert to fraction form
    531,703.52/797,551.16 = 132,341.62/x
  3. Step 3: Cross multiply
    531,703.52x = 797,551.16 × 132,341.62
  4. Step 4: Simplify right side
    531,703.52x = 105,549,212,547.28
  5. Step 5: Solve for x
    x = 105,549,212,547.28/531,703.52
  6. Step 6: Final answer
    x = 198,511.40

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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.