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Finding the Fourth Proportional to 956,702, 1,320,248.76 and 526,980.80

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Solution

The fourth proportional to 956,702, 1,320,248.76 and 526,980.80 is: 727,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,702 : 1,320,248.76 = 526,980.80 : x
  2. Step 2: Convert to fraction form
    956,702/1,320,248.76 = 526,980.80/x
  3. Step 3: Cross multiply
    956,702x = 1,320,248.76 × 526,980.80
  4. Step 4: Simplify right side
    956,702x = 695,745,747,743.81
  5. Step 5: Solve for x
    x = 695,745,747,743.81/956,702
  6. Step 6: Final answer
    x = 727,233.50

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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.