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Finding the Fourth Proportional to 519,501.90, 779,277.15 and 164,543.70

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Solution

The fourth proportional to 519,501.90, 779,277.15 and 164,543.70 is: 246,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,501.90 : 779,277.15 = 164,543.70 : x
  2. Step 2: Convert to fraction form
    519,501.90/779,277.15 = 164,543.70/x
  3. Step 3: Cross multiply
    519,501.90x = 779,277.15 × 164,543.70
  4. Step 4: Simplify right side
    519,501.90x = 128,225,145,586.46
  5. Step 5: Solve for x
    x = 128,225,145,586.46/519,501.90
  6. Step 6: Final answer
    x = 246,823.25

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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.