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Finding the Fourth Proportional to 676,551.38, 933,642.04 and 370,621.06

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Solution

The fourth proportional to 676,551.38, 933,642.04 and 370,621.06 is: 511,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,551.38 : 933,642.04 = 370,621.06 : x
  2. Step 2: Convert to fraction form
    676,551.38/933,642.04 = 370,621.06/x
  3. Step 3: Cross multiply
    676,551.38x = 933,642.04 × 370,621.06
  4. Step 4: Simplify right side
    676,551.38x = 346,027,402,525.36
  5. Step 5: Solve for x
    x = 346,027,402,525.36/676,551.38
  6. Step 6: Final answer
    x = 511,457.68

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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.