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Finding the Fourth Proportional to 1,354,185, 1,868,775.57 and 750,573

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Solution

The fourth proportional to 1,354,185, 1,868,775.57 and 750,573 is: 1,035,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,185 : 1,868,775.57 = 750,573 : x
  2. Step 2: Convert to fraction form
    1,354,185/1,868,775.57 = 750,573/x
  3. Step 3: Cross multiply
    1,354,185x = 1,868,775.57 × 750,573
  4. Step 4: Simplify right side
    1,354,185x = 1,402,652,485,901.61
  5. Step 5: Solve for x
    x = 1,402,652,485,901.61/1,354,185
  6. Step 6: Final answer
    x = 1,035,790.89

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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.