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Finding the Fourth Proportional to 761,886.06, 1,137,265.86 and 706,380

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Solution

The fourth proportional to 761,886.06, 1,137,265.86 and 706,380 is: 1,054,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,886.06 : 1,137,265.86 = 706,380 : x
  2. Step 2: Convert to fraction form
    761,886.06/1,137,265.86 = 706,380/x
  3. Step 3: Cross multiply
    761,886.06x = 1,137,265.86 × 706,380
  4. Step 4: Simplify right side
    761,886.06x = 803,341,858,186.80
  5. Step 5: Solve for x
    x = 803,341,858,186.80/761,886.06
  6. Step 6: Final answer
    x = 1,054,412.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.