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Finding the Fourth Proportional to 508,398.04, 762,602.46 and 153,415.18

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Solution

The fourth proportional to 508,398.04, 762,602.46 and 153,415.18 is: 230,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,398.04 : 762,602.46 = 153,415.18 : x
  2. Step 2: Convert to fraction form
    508,398.04/762,602.46 = 153,415.18/x
  3. Step 3: Cross multiply
    508,398.04x = 762,602.46 × 153,415.18
  4. Step 4: Simplify right side
    508,398.04x = 116,994,793,669.34
  5. Step 5: Solve for x
    x = 116,994,793,669.34/508,398.04
  6. Step 6: Final answer
    x = 230,124.40

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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.