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Finding the Fourth Proportional to 1,087,368, 1,500,567.84 and 610,440

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Solution

The fourth proportional to 1,087,368, 1,500,567.84 and 610,440 is: 842,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,368 : 1,500,567.84 = 610,440 : x
  2. Step 2: Convert to fraction form
    1,087,368/1,500,567.84 = 610,440/x
  3. Step 3: Cross multiply
    1,087,368x = 1,500,567.84 × 610,440
  4. Step 4: Simplify right side
    1,087,368x = 916,006,632,249.60
  5. Step 5: Solve for x
    x = 916,006,632,249.60/1,087,368
  6. Step 6: Final answer
    x = 842,407.20

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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.