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Finding the Fourth Proportional to 374,848.96, 562,210.80 and 164,430.40

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Solution

The fourth proportional to 374,848.96, 562,210.80 and 164,430.40 is: 246,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,848.96 : 562,210.80 = 164,430.40 : x
  2. Step 2: Convert to fraction form
    374,848.96/562,210.80 = 164,430.40/x
  3. Step 3: Cross multiply
    374,848.96x = 562,210.80 × 164,430.40
  4. Step 4: Simplify right side
    374,848.96x = 92,444,546,728.32
  5. Step 5: Solve for x
    x = 92,444,546,728.32/374,848.96
  6. Step 6: Final answer
    x = 246,618.12

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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.