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Finding the Fourth Proportional to 540,367.40, 810,550.01 and 507,484.49

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Solution

The fourth proportional to 540,367.40, 810,550.01 and 507,484.49 is: 761,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,367.40 : 810,550.01 = 507,484.49 : x
  2. Step 2: Convert to fraction form
    540,367.40/810,550.01 = 507,484.49/x
  3. Step 3: Cross multiply
    540,367.40x = 810,550.01 × 507,484.49
  4. Step 4: Simplify right side
    540,367.40x = 411,341,551,854.17
  5. Step 5: Solve for x
    x = 411,341,551,854.17/540,367.40
  6. Step 6: Final answer
    x = 761,225.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.