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Finding the Fourth Proportional to 560,529.86, 773,547.66 and 305,897.48

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Solution

The fourth proportional to 560,529.86, 773,547.66 and 305,897.48 is: 422,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,529.86 : 773,547.66 = 305,897.48 : x
  2. Step 2: Convert to fraction form
    560,529.86/773,547.66 = 305,897.48/x
  3. Step 3: Cross multiply
    560,529.86x = 773,547.66 × 305,897.48
  4. Step 4: Simplify right side
    560,529.86x = 236,626,279,853.90
  5. Step 5: Solve for x
    x = 236,626,279,853.90/560,529.86
  6. Step 6: Final answer
    x = 422,147.50

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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.