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Finding the Fourth Proportional to 549,089.13, 758,018.16 and 345,252.18

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Solution

The fourth proportional to 549,089.13, 758,018.16 and 345,252.18 is: 476,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,089.13 : 758,018.16 = 345,252.18 : x
  2. Step 2: Convert to fraction form
    549,089.13/758,018.16 = 345,252.18/x
  3. Step 3: Cross multiply
    549,089.13x = 758,018.16 × 345,252.18
  4. Step 4: Simplify right side
    549,089.13x = 261,707,422,219.59
  5. Step 5: Solve for x
    x = 261,707,422,219.59/549,089.13
  6. Step 6: Final answer
    x = 476,621.02

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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.