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Finding the Fourth Proportional to 503,070.48, 754,346.04 and 148,038.48

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Solution

The fourth proportional to 503,070.48, 754,346.04 and 148,038.48 is: 221,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,070.48 : 754,346.04 = 148,038.48 : x
  2. Step 2: Convert to fraction form
    503,070.48/754,346.04 = 148,038.48/x
  3. Step 3: Cross multiply
    503,070.48x = 754,346.04 × 148,038.48
  4. Step 4: Simplify right side
    503,070.48x = 111,672,241,155.62
  5. Step 5: Solve for x
    x = 111,672,241,155.62/503,070.48
  6. Step 6: Final answer
    x = 221,981.30

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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.