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Finding the Fourth Proportional to 556,529.55, 768,024.50 and 314,800.71

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Solution

The fourth proportional to 556,529.55, 768,024.50 and 314,800.71 is: 434,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,529.55 : 768,024.50 = 314,800.71 : x
  2. Step 2: Convert to fraction form
    556,529.55/768,024.50 = 314,800.71/x
  3. Step 3: Cross multiply
    556,529.55x = 768,024.50 × 314,800.71
  4. Step 4: Simplify right side
    556,529.55x = 241,774,656,323.39
  5. Step 5: Solve for x
    x = 241,774,656,323.39/556,529.55
  6. Step 6: Final answer
    x = 434,432.74

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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.