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Finding the Fourth Proportional to 1,314,301.76, 1,971,454.80 and 317,029.76

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Solution

The fourth proportional to 1,314,301.76, 1,971,454.80 and 317,029.76 is: 475,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,301.76 : 1,971,454.80 = 317,029.76 : x
  2. Step 2: Convert to fraction form
    1,314,301.76/1,971,454.80 = 317,029.76/x
  3. Step 3: Cross multiply
    1,314,301.76x = 1,971,454.80 × 317,029.76
  4. Step 4: Simplify right side
    1,314,301.76x = 625,009,842,094.85
  5. Step 5: Solve for x
    x = 625,009,842,094.85/1,314,301.76
  6. Step 6: Final answer
    x = 475,545.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.