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Finding the Fourth Proportional to 556,824.33, 768,417.55 and 302,175.52

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Solution

The fourth proportional to 556,824.33, 768,417.55 and 302,175.52 is: 417,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,824.33 : 768,417.55 = 302,175.52 : x
  2. Step 2: Convert to fraction form
    556,824.33/768,417.55 = 302,175.52/x
  3. Step 3: Cross multiply
    556,824.33x = 768,417.55 × 302,175.52
  4. Step 4: Simplify right side
    556,824.33x = 232,196,970,071.89
  5. Step 5: Solve for x
    x = 232,196,970,071.89/556,824.33
  6. Step 6: Final answer
    x = 417,002.20

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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.