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Finding the Fourth Proportional to 470,030.10, 705,045.15 and 154,410.90

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Solution

The fourth proportional to 470,030.10, 705,045.15 and 154,410.90 is: 231,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,030.10 : 705,045.15 = 154,410.90 : x
  2. Step 2: Convert to fraction form
    470,030.10/705,045.15 = 154,410.90/x
  3. Step 3: Cross multiply
    470,030.10x = 705,045.15 × 154,410.90
  4. Step 4: Simplify right side
    470,030.10x = 108,866,656,152.14
  5. Step 5: Solve for x
    x = 108,866,656,152.14/470,030.10
  6. Step 6: Final answer
    x = 231,616.35

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Similar ratio
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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.