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Finding the Fourth Proportional to 761,355, 1,050,656.02 and 451,466.08

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Solution

The fourth proportional to 761,355, 1,050,656.02 and 451,466.08 is: 623,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,355 : 1,050,656.02 = 451,466.08 : x
  2. Step 2: Convert to fraction form
    761,355/1,050,656.02 = 451,466.08/x
  3. Step 3: Cross multiply
    761,355x = 1,050,656.02 × 451,466.08
  4. Step 4: Simplify right side
    761,355x = 474,335,551,022.50
  5. Step 5: Solve for x
    x = 474,335,551,022.50/761,355
  6. Step 6: Final answer
    x = 623,014.95

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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.