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Finding the Fourth Proportional to 549,470.48, 824,730.72 and 339,518.48

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Solution

The fourth proportional to 549,470.48, 824,730.72 and 339,518.48 is: 509,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,470.48 : 824,730.72 = 339,518.48 : x
  2. Step 2: Convert to fraction form
    549,470.48/824,730.72 = 339,518.48/x
  3. Step 3: Cross multiply
    549,470.48x = 824,730.72 × 339,518.48
  4. Step 4: Simplify right side
    549,470.48x = 280,011,320,463.71
  5. Step 5: Solve for x
    x = 280,011,320,463.71/549,470.48
  6. Step 6: Final answer
    x = 509,602.12

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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.