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Finding the Fourth Proportional to 880,765.65, 1,321,148.48 and 249,684.93

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Solution

The fourth proportional to 880,765.65, 1,321,148.48 and 249,684.93 is: 374,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,765.65 : 1,321,148.48 = 249,684.93 : x
  2. Step 2: Convert to fraction form
    880,765.65/1,321,148.48 = 249,684.93/x
  3. Step 3: Cross multiply
    880,765.65x = 1,321,148.48 × 249,684.93
  4. Step 4: Simplify right side
    880,765.65x = 329,870,864,499.98
  5. Step 5: Solve for x
    x = 329,870,864,499.98/880,765.65
  6. Step 6: Final answer
    x = 374,527.40

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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.