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Finding the Fourth Proportional to 1,165,567.93, 1,748,631.87 and 445,897.87

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Solution

The fourth proportional to 1,165,567.93, 1,748,631.87 and 445,897.87 is: 668,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,567.93 : 1,748,631.87 = 445,897.87 : x
  2. Step 2: Convert to fraction form
    1,165,567.93/1,748,631.87 = 445,897.87/x
  3. Step 3: Cross multiply
    1,165,567.93x = 1,748,631.87 × 445,897.87
  4. Step 4: Simplify right side
    1,165,567.93x = 779,711,226,247.12
  5. Step 5: Solve for x
    x = 779,711,226,247.12/1,165,567.93
  6. Step 6: Final answer
    x = 668,953.91

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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.