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Finding the Fourth Proportional to 549,758.64, 824,822.48 and 297,061.72

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Solution

The fourth proportional to 549,758.64, 824,822.48 and 297,061.72 is: 445,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,758.64 : 824,822.48 = 297,061.72 : x
  2. Step 2: Convert to fraction form
    549,758.64/824,822.48 = 297,061.72/x
  3. Step 3: Cross multiply
    549,758.64x = 824,822.48 × 297,061.72
  4. Step 4: Simplify right side
    549,758.64x = 245,023,184,603.47
  5. Step 5: Solve for x
    x = 245,023,184,603.47/549,758.64
  6. Step 6: Final answer
    x = 445,692.29

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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.