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Finding the Fourth Proportional to 310,602.72, 465,890.73 and 97,365.86

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Solution

The fourth proportional to 310,602.72, 465,890.73 and 97,365.86 is: 146,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,602.72 : 465,890.73 = 97,365.86 : x
  2. Step 2: Convert to fraction form
    310,602.72/465,890.73 = 97,365.86/x
  3. Step 3: Cross multiply
    310,602.72x = 465,890.73 × 97,365.86
  4. Step 4: Simplify right side
    310,602.72x = 45,361,849,263.02
  5. Step 5: Solve for x
    x = 45,361,849,263.02/310,602.72
  6. Step 6: Final answer
    x = 146,044.60

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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.