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Finding the Fourth Proportional to 353,501.89, 530,335.86 and 116,844.54

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Solution

The fourth proportional to 353,501.89, 530,335.86 and 116,844.54 is: 175,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,501.89 : 530,335.86 = 116,844.54 : x
  2. Step 2: Convert to fraction form
    353,501.89/530,335.86 = 116,844.54/x
  3. Step 3: Cross multiply
    353,501.89x = 530,335.86 × 116,844.54
  4. Step 4: Simplify right side
    353,501.89x = 61,966,849,607.20
  5. Step 5: Solve for x
    x = 61,966,849,607.20/353,501.89
  6. Step 6: Final answer
    x = 175,294.25

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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.