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Finding the Fourth Proportional to 668,511.12, 922,552.47 and 362,587.92

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Solution

The fourth proportional to 668,511.12, 922,552.47 and 362,587.92 is: 500,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,511.12 : 922,552.47 = 362,587.92 : x
  2. Step 2: Convert to fraction form
    668,511.12/922,552.47 = 362,587.92/x
  3. Step 3: Cross multiply
    668,511.12x = 922,552.47 × 362,587.92
  4. Step 4: Simplify right side
    668,511.12x = 334,506,381,188.16
  5. Step 5: Solve for x
    x = 334,506,381,188.16/668,511.12
  6. Step 6: Final answer
    x = 500,375.19

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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.