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Finding the Fourth Proportional to 556,596.55, 768,104.70 and 301,947.74

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Solution

The fourth proportional to 556,596.55, 768,104.70 and 301,947.74 is: 416,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,596.55 : 768,104.70 = 301,947.74 : x
  2. Step 2: Convert to fraction form
    556,596.55/768,104.70 = 301,947.74/x
  3. Step 3: Cross multiply
    556,596.55x = 768,104.70 × 301,947.74
  4. Step 4: Simplify right side
    556,596.55x = 231,927,478,248.38
  5. Step 5: Solve for x
    x = 231,927,478,248.38/556,596.55
  6. Step 6: Final answer
    x = 416,688.67

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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.