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Finding the Fourth Proportional to 504,695.61, 696,460.61 and 278,341.11

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Solution

The fourth proportional to 504,695.61, 696,460.61 and 278,341.11 is: 384,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,695.61 : 696,460.61 = 278,341.11 : x
  2. Step 2: Convert to fraction form
    504,695.61/696,460.61 = 278,341.11/x
  3. Step 3: Cross multiply
    504,695.61x = 696,460.61 × 278,341.11
  4. Step 4: Simplify right side
    504,695.61x = 193,853,617,866.97
  5. Step 5: Solve for x
    x = 193,853,617,866.97/504,695.61
  6. Step 6: Final answer
    x = 384,100.07

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1.5x scale

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.