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Finding the Fourth Proportional to 1,411,932.92, 1,948,482.50 and 767,353.14

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Solution

The fourth proportional to 1,411,932.92, 1,948,482.50 and 767,353.14 is: 1,058,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,932.92 : 1,948,482.50 = 767,353.14 : x
  2. Step 2: Convert to fraction form
    1,411,932.92/1,948,482.50 = 767,353.14/x
  3. Step 3: Cross multiply
    1,411,932.92x = 1,948,482.50 × 767,353.14
  4. Step 4: Simplify right side
    1,411,932.92x = 1,495,174,160,773.28
  5. Step 5: Solve for x
    x = 1,495,174,160,773.28/1,411,932.92
  6. Step 6: Final answer
    x = 1,058,955.52

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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.