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Finding the Fourth Proportional to 556,476.30, 833,730.30 and 471,839.40

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Solution

The fourth proportional to 556,476.30, 833,730.30 and 471,839.40 is: 706,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,476.30 : 833,730.30 = 471,839.40 : x
  2. Step 2: Convert to fraction form
    556,476.30/833,730.30 = 471,839.40/x
  3. Step 3: Cross multiply
    556,476.30x = 833,730.30 × 471,839.40
  4. Step 4: Simplify right side
    556,476.30x = 393,386,804,513.82
  5. Step 5: Solve for x
    x = 393,386,804,513.82/556,476.30
  6. Step 6: Final answer
    x = 706,924.63

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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.