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Finding the Fourth Proportional to 549,462.48, 824,718.72 and 339,510.48

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Solution

The fourth proportional to 549,462.48, 824,718.72 and 339,510.48 is: 509,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,462.48 : 824,718.72 = 339,510.48 : x
  2. Step 2: Convert to fraction form
    549,462.48/824,718.72 = 339,510.48/x
  3. Step 3: Cross multiply
    549,462.48x = 824,718.72 × 339,510.48
  4. Step 4: Simplify right side
    549,462.48x = 280,000,648,492.19
  5. Step 5: Solve for x
    x = 280,000,648,492.19/549,462.48
  6. Step 6: Final answer
    x = 509,590.12

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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.