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Finding the Fourth Proportional to 549,616.30, 824,424.45 and 414,897.10

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Solution

The fourth proportional to 549,616.30, 824,424.45 and 414,897.10 is: 622,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,616.30 : 824,424.45 = 414,897.10 : x
  2. Step 2: Convert to fraction form
    549,616.30/824,424.45 = 414,897.10/x
  3. Step 3: Cross multiply
    549,616.30x = 824,424.45 × 414,897.10
  4. Step 4: Simplify right side
    549,616.30x = 342,051,313,474.10
  5. Step 5: Solve for x
    x = 342,051,313,474.10/549,616.30
  6. Step 6: Final answer
    x = 622,345.65

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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.