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Finding the Fourth Proportional to 431,133.18, 594,918.36 and 249,901.98

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Solution

The fourth proportional to 431,133.18, 594,918.36 and 249,901.98 is: 344,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,133.18 : 594,918.36 = 249,901.98 : x
  2. Step 2: Convert to fraction form
    431,133.18/594,918.36 = 249,901.98/x
  3. Step 3: Cross multiply
    431,133.18x = 594,918.36 × 249,901.98
  4. Step 4: Simplify right side
    431,133.18x = 148,671,276,102.35
  5. Step 5: Solve for x
    x = 148,671,276,102.35/431,133.18
  6. Step 6: Final answer
    x = 344,838.40

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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.