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Finding the Fourth Proportional to 1,703,129, 2,350,210.74 and 977,466

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Solution

The fourth proportional to 1,703,129, 2,350,210.74 and 977,466 is: 1,348,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,129 : 2,350,210.74 = 977,466 : x
  2. Step 2: Convert to fraction form
    1,703,129/2,350,210.74 = 977,466/x
  3. Step 3: Cross multiply
    1,703,129x = 2,350,210.74 × 977,466
  4. Step 4: Simplify right side
    1,703,129x = 2,297,251,091,184.84
  5. Step 5: Solve for x
    x = 2,297,251,091,184.84/1,703,129
  6. Step 6: Final answer
    x = 1,348,841.51

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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.