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Finding the Fourth Proportional to 608,466.30, 912,699.45 and 159,186.30

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Solution

The fourth proportional to 608,466.30, 912,699.45 and 159,186.30 is: 238,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,466.30 : 912,699.45 = 159,186.30 : x
  2. Step 2: Convert to fraction form
    608,466.30/912,699.45 = 159,186.30/x
  3. Step 3: Cross multiply
    608,466.30x = 912,699.45 × 159,186.30
  4. Step 4: Simplify right side
    608,466.30x = 145,289,248,457.54
  5. Step 5: Solve for x
    x = 145,289,248,457.54/608,466.30
  6. Step 6: Final answer
    x = 238,779.45

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Double scale
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Similar ratio
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1.5x scale

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.