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Finding the Fourth Proportional to 549,715.20, 824,572.80 and 549,715.20

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Solution

The fourth proportional to 549,715.20, 824,572.80 and 549,715.20 is: 824,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,715.20 : 824,572.80 = 549,715.20 : x
  2. Step 2: Convert to fraction form
    549,715.20/824,572.80 = 549,715.20/x
  3. Step 3: Cross multiply
    549,715.20x = 824,572.80 × 549,715.20
  4. Step 4: Simplify right side
    549,715.20x = 453,280,201,666.56
  5. Step 5: Solve for x
    x = 453,280,201,666.56/549,715.20
  6. Step 6: Final answer
    x = 824,572.80

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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.