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Finding the Fourth Proportional to 668,384.61, 922,371.01 and 362,460.90

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Solution

The fourth proportional to 668,384.61, 922,371.01 and 362,460.90 is: 500,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,384.61 : 922,371.01 = 362,460.90 : x
  2. Step 2: Convert to fraction form
    668,384.61/922,371.01 = 362,460.90/x
  3. Step 3: Cross multiply
    668,384.61x = 922,371.01 × 362,460.90
  4. Step 4: Simplify right side
    668,384.61x = 334,323,426,418.51
  5. Step 5: Solve for x
    x = 334,323,426,418.51/668,384.61
  6. Step 6: Final answer
    x = 500,196.18

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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.