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Finding the Fourth Proportional to 1,087,388, 1,500,595.48 and 610,460

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Solution

The fourth proportional to 1,087,388, 1,500,595.48 and 610,460 is: 842,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,388 : 1,500,595.48 = 610,460 : x
  2. Step 2: Convert to fraction form
    1,087,388/1,500,595.48 = 610,460/x
  3. Step 3: Cross multiply
    1,087,388x = 1,500,595.48 × 610,460
  4. Step 4: Simplify right side
    1,087,388x = 916,053,516,720.80
  5. Step 5: Solve for x
    x = 916,053,516,720.80/1,087,388
  6. Step 6: Final answer
    x = 842,434.82

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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.