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Finding the Fourth Proportional to 549,373.47, 758,097.81 and 304,349.82

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Solution

The fourth proportional to 549,373.47, 758,097.81 and 304,349.82 is: 419,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,373.47 : 758,097.81 = 304,349.82 : x
  2. Step 2: Convert to fraction form
    549,373.47/758,097.81 = 304,349.82/x
  3. Step 3: Cross multiply
    549,373.47x = 758,097.81 × 304,349.82
  4. Step 4: Simplify right side
    549,373.47x = 230,726,932,015.89
  5. Step 5: Solve for x
    x = 230,726,932,015.89/549,373.47
  6. Step 6: Final answer
    x = 419,981.93

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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.