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Finding the Fourth Proportional to 1,249,654.83, 1,724,523.24 and 676,695.00

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Solution

The fourth proportional to 1,249,654.83, 1,724,523.24 and 676,695.00 is: 933,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,654.83 : 1,724,523.24 = 676,695.00 : x
  2. Step 2: Convert to fraction form
    1,249,654.83/1,724,523.24 = 676,695.00/x
  3. Step 3: Cross multiply
    1,249,654.83x = 1,724,523.24 × 676,695.00
  4. Step 4: Simplify right side
    1,249,654.83x = 1,166,976,241,885.71
  5. Step 5: Solve for x
    x = 1,166,976,241,885.71/1,249,654.83
  6. Step 6: Final answer
    x = 933,838.86

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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.