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Finding the Fourth Proportional to 549,234.19, 758,022.73 and 307,532.32

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Solution

The fourth proportional to 549,234.19, 758,022.73 and 307,532.32 is: 424,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,234.19 : 758,022.73 = 307,532.32 : x
  2. Step 2: Convert to fraction form
    549,234.19/758,022.73 = 307,532.32/x
  3. Step 3: Cross multiply
    549,234.19x = 758,022.73 × 307,532.32
  4. Step 4: Simplify right side
    549,234.19x = 233,116,488,769.63
  5. Step 5: Solve for x
    x = 233,116,488,769.63/549,234.19
  6. Step 6: Final answer
    x = 424,439.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.