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Finding the Fourth Proportional to 868,552.68, 1,302,670.47 and 362,978.40

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Solution

The fourth proportional to 868,552.68, 1,302,670.47 and 362,978.40 is: 544,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,552.68 : 1,302,670.47 = 362,978.40 : x
  2. Step 2: Convert to fraction form
    868,552.68/1,302,670.47 = 362,978.40/x
  3. Step 3: Cross multiply
    868,552.68x = 1,302,670.47 × 362,978.40
  4. Step 4: Simplify right side
    868,552.68x = 472,841,242,927.85
  5. Step 5: Solve for x
    x = 472,841,242,927.85/868,552.68
  6. Step 6: Final answer
    x = 544,401.34

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1.5x scale

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.