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Finding the Fourth Proportional to 556,595.55, 768,103.32 and 301,946.74

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Solution

The fourth proportional to 556,595.55, 768,103.32 and 301,946.74 is: 416,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,595.55 : 768,103.32 = 301,946.74 : x
  2. Step 2: Convert to fraction form
    556,595.55/768,103.32 = 301,946.74/x
  3. Step 3: Cross multiply
    556,595.55x = 768,103.32 × 301,946.74
  4. Step 4: Simplify right side
    556,595.55x = 231,926,292,669.22
  5. Step 5: Solve for x
    x = 231,926,292,669.22/556,595.55
  6. Step 6: Final answer
    x = 416,687.29

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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.