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Finding the Fourth Proportional to 504,547.86, 696,281.49 and 275,103.27

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Solution

The fourth proportional to 504,547.86, 696,281.49 and 275,103.27 is: 379,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,547.86 : 696,281.49 = 275,103.27 : x
  2. Step 2: Convert to fraction form
    504,547.86/696,281.49 = 275,103.27/x
  3. Step 3: Cross multiply
    504,547.86x = 696,281.49 × 275,103.27
  4. Step 4: Simplify right side
    504,547.86x = 191,549,314,739.47
  5. Step 5: Solve for x
    x = 191,549,314,739.47/504,547.86
  6. Step 6: Final answer
    x = 379,645.48

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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.