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Finding the Fourth Proportional to 556,673.69, 768,209.74 and 302,024.90

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Solution

The fourth proportional to 556,673.69, 768,209.74 and 302,024.90 is: 416,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,673.69 : 768,209.74 = 302,024.90 : x
  2. Step 2: Convert to fraction form
    556,673.69/768,209.74 = 302,024.90/x
  3. Step 3: Cross multiply
    556,673.69x = 768,209.74 × 302,024.90
  4. Step 4: Simplify right side
    556,673.69x = 232,018,465,306.42
  5. Step 5: Solve for x
    x = 232,018,465,306.42/556,673.69
  6. Step 6: Final answer
    x = 416,794.38

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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.