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Finding the Fourth Proportional to 452,378.94, 623,937.01 and 307,296.59

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Solution

The fourth proportional to 452,378.94, 623,937.01 and 307,296.59 is: 423,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,378.94 : 623,937.01 = 307,296.59 : x
  2. Step 2: Convert to fraction form
    452,378.94/623,937.01 = 307,296.59/x
  3. Step 3: Cross multiply
    452,378.94x = 623,937.01 × 307,296.59
  4. Step 4: Simplify right side
    452,378.94x = 191,733,715,547.80
  5. Step 5: Solve for x
    x = 191,733,715,547.80/452,378.94
  6. Step 6: Final answer
    x = 423,834.31

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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.