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Finding the Fourth Proportional to 542,655.42, 810,030.86 and 502,633.32

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Solution

The fourth proportional to 542,655.42, 810,030.86 and 502,633.32 is: 750,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,655.42 : 810,030.86 = 502,633.32 : x
  2. Step 2: Convert to fraction form
    542,655.42/810,030.86 = 502,633.32/x
  3. Step 3: Cross multiply
    542,655.42x = 810,030.86 × 502,633.32
  4. Step 4: Simplify right side
    542,655.42x = 407,148,497,951.09
  5. Step 5: Solve for x
    x = 407,148,497,951.09/542,655.42
  6. Step 6: Final answer
    x = 750,289.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.