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Finding the Fourth Proportional to 995,662.16, 1,492,362.95 and 875,486.51

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Solution

The fourth proportional to 995,662.16, 1,492,362.95 and 875,486.51 is: 1,312,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,662.16 : 1,492,362.95 = 875,486.51 : x
  2. Step 2: Convert to fraction form
    995,662.16/1,492,362.95 = 875,486.51/x
  3. Step 3: Cross multiply
    995,662.16x = 1,492,362.95 × 875,486.51
  4. Step 4: Simplify right side
    995,662.16x = 1,306,543,630,748.80
  5. Step 5: Solve for x
    x = 1,306,543,630,748.80/995,662.16
  6. Step 6: Final answer
    x = 1,312,235.90

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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.