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Finding the Fourth Proportional to 556,808.41, 768,397.62 and 302,159.53

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Solution

The fourth proportional to 556,808.41, 768,397.62 and 302,159.53 is: 416,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,808.41 : 768,397.62 = 302,159.53 : x
  2. Step 2: Convert to fraction form
    556,808.41/768,397.62 = 302,159.53/x
  3. Step 3: Cross multiply
    556,808.41x = 768,397.62 × 302,159.53
  4. Step 4: Simplify right side
    556,808.41x = 232,178,663,712.32
  5. Step 5: Solve for x
    x = 232,178,663,712.32/556,808.41
  6. Step 6: Final answer
    x = 416,981.24

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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.