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Finding the Fourth Proportional to 768,232.32, 1,060,614.72 and 553,925.76

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Solution

The fourth proportional to 768,232.32, 1,060,614.72 and 553,925.76 is: 764,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,232.32 : 1,060,614.72 = 553,925.76 : x
  2. Step 2: Convert to fraction form
    768,232.32/1,060,614.72 = 553,925.76/x
  3. Step 3: Cross multiply
    768,232.32x = 1,060,614.72 × 553,925.76
  4. Step 4: Simplify right side
    768,232.32x = 587,501,814,843.19
  5. Step 5: Solve for x
    x = 587,501,814,843.19/768,232.32
  6. Step 6: Final answer
    x = 764,744.99

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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.