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Finding the Fourth Proportional to 1,006,560, 1,510,073.28 and 341,712

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Solution

The fourth proportional to 1,006,560, 1,510,073.28 and 341,712 is: 512,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,560 : 1,510,073.28 = 341,712 : x
  2. Step 2: Convert to fraction form
    1,006,560/1,510,073.28 = 341,712/x
  3. Step 3: Cross multiply
    1,006,560x = 1,510,073.28 × 341,712
  4. Step 4: Simplify right side
    1,006,560x = 516,010,160,655.36
  5. Step 5: Solve for x
    x = 516,010,160,655.36/1,006,560
  6. Step 6: Final answer
    x = 512,647.20

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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.