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Finding the Fourth Proportional to 531,797.90, 797,575.19 and 152,715.62

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Solution

The fourth proportional to 531,797.90, 797,575.19 and 152,715.62 is: 229,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,797.90 : 797,575.19 = 152,715.62 : x
  2. Step 2: Convert to fraction form
    531,797.90/797,575.19 = 152,715.62/x
  3. Step 3: Cross multiply
    531,797.90x = 797,575.19 × 152,715.62
  4. Step 4: Simplify right side
    531,797.90x = 121,802,184,886.01
  5. Step 5: Solve for x
    x = 121,802,184,886.01/531,797.90
  6. Step 6: Final answer
    x = 229,038.49

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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.