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Finding the Fourth Proportional to 556,384.53, 833,278.95 and 406,252.45

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Solution

The fourth proportional to 556,384.53, 833,278.95 and 406,252.45 is: 608,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,384.53 : 833,278.95 = 406,252.45 : x
  2. Step 2: Convert to fraction form
    556,384.53/833,278.95 = 406,252.45/x
  3. Step 3: Cross multiply
    556,384.53x = 833,278.95 × 406,252.45
  4. Step 4: Simplify right side
    556,384.53x = 338,521,614,970.93
  5. Step 5: Solve for x
    x = 338,521,614,970.93/556,384.53
  6. Step 6: Final answer
    x = 608,431.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.