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Finding the Fourth Proportional to 554,573.99, 765,312.40 and 299,925.18

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Solution

The fourth proportional to 554,573.99, 765,312.40 and 299,925.18 is: 413,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,573.99 : 765,312.40 = 299,925.18 : x
  2. Step 2: Convert to fraction form
    554,573.99/765,312.40 = 299,925.18/x
  3. Step 3: Cross multiply
    554,573.99x = 765,312.40 × 299,925.18
  4. Step 4: Simplify right side
    554,573.99x = 229,536,459,701.14
  5. Step 5: Solve for x
    x = 229,536,459,701.14/554,573.99
  6. Step 6: Final answer
    x = 413,896.91

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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.