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Finding the Fourth Proportional to 676,707.08, 933,894.90 and 370,784

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Solution

The fourth proportional to 676,707.08, 933,894.90 and 370,784 is: 511,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,707.08 : 933,894.90 = 370,784 : x
  2. Step 2: Convert to fraction form
    676,707.08/933,894.90 = 370,784/x
  3. Step 3: Cross multiply
    676,707.08x = 933,894.90 × 370,784
  4. Step 4: Simplify right side
    676,707.08x = 346,273,286,601.60
  5. Step 5: Solve for x
    x = 346,273,286,601.60/676,707.08
  6. Step 6: Final answer
    x = 511,703.36

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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.