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Finding the Fourth Proportional to 554,482.47, 832,190.27 and 519,490.47

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Solution

The fourth proportional to 554,482.47, 832,190.27 and 519,490.47 is: 779,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,482.47 : 832,190.27 = 519,490.47 : x
  2. Step 2: Convert to fraction form
    554,482.47/832,190.27 = 519,490.47/x
  3. Step 3: Cross multiply
    554,482.47x = 832,190.27 × 519,490.47
  4. Step 4: Simplify right side
    554,482.47x = 432,314,911,894.28
  5. Step 5: Solve for x
    x = 432,314,911,894.28/554,482.47
  6. Step 6: Final answer
    x = 779,672.82

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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.