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Finding the Fourth Proportional to 702,798.66, 1,054,210.95 and 253,553.22

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Solution

The fourth proportional to 702,798.66, 1,054,210.95 and 253,553.22 is: 380,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,798.66 : 1,054,210.95 = 253,553.22 : x
  2. Step 2: Convert to fraction form
    702,798.66/1,054,210.95 = 253,553.22/x
  3. Step 3: Cross multiply
    702,798.66x = 1,054,210.95 × 253,553.22
  4. Step 4: Simplify right side
    702,798.66x = 267,298,580,931.76
  5. Step 5: Solve for x
    x = 267,298,580,931.76/702,798.66
  6. Step 6: Final answer
    x = 380,334.51

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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.