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Finding the Fourth Proportional to 495,091.58, 742,443.65 and 175,119.81

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Solution

The fourth proportional to 495,091.58, 742,443.65 and 175,119.81 is: 262,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,091.58 : 742,443.65 = 175,119.81 : x
  2. Step 2: Convert to fraction form
    495,091.58/742,443.65 = 175,119.81/x
  3. Step 3: Cross multiply
    495,091.58x = 742,443.65 × 175,119.81
  4. Step 4: Simplify right side
    495,091.58x = 130,016,590,048.11
  5. Step 5: Solve for x
    x = 130,016,590,048.11/495,091.58
  6. Step 6: Final answer
    x = 262,611.19

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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.