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Finding the Fourth Proportional to 549,340.16, 757,697.48 and 504,163.76

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Solution

The fourth proportional to 549,340.16, 757,697.48 and 504,163.76 is: 695,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,340.16 : 757,697.48 = 504,163.76 : x
  2. Step 2: Convert to fraction form
    549,340.16/757,697.48 = 504,163.76/x
  3. Step 3: Cross multiply
    549,340.16x = 757,697.48 × 504,163.76
  4. Step 4: Simplify right side
    549,340.16x = 382,003,610,459.33
  5. Step 5: Solve for x
    x = 382,003,610,459.33/549,340.16
  6. Step 6: Final answer
    x = 695,386.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.