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Finding the Fourth Proportional to 549,544.46, 758,741.45 and 343,127.14

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Solution

The fourth proportional to 549,544.46, 758,741.45 and 343,127.14 is: 473,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,544.46 : 758,741.45 = 343,127.14 : x
  2. Step 2: Convert to fraction form
    549,544.46/758,741.45 = 343,127.14/x
  3. Step 3: Cross multiply
    549,544.46x = 758,741.45 × 343,127.14
  4. Step 4: Simplify right side
    549,544.46x = 260,344,780,125.46
  5. Step 5: Solve for x
    x = 260,344,780,125.46/549,544.46
  6. Step 6: Final answer
    x = 473,746.53

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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.