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Finding the Fourth Proportional to 1,364,878, 1,883,531.64 and 761,266

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Solution

The fourth proportional to 1,364,878, 1,883,531.64 and 761,266 is: 1,050,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,878 : 1,883,531.64 = 761,266 : x
  2. Step 2: Convert to fraction form
    1,364,878/1,883,531.64 = 761,266/x
  3. Step 3: Cross multiply
    1,364,878x = 1,883,531.64 × 761,266
  4. Step 4: Simplify right side
    1,364,878x = 1,433,868,597,456.24
  5. Step 5: Solve for x
    x = 1,433,868,597,456.24/1,364,878
  6. Step 6: Final answer
    x = 1,050,547.08

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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.