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Finding the Fourth Proportional to 586,105.75, 879,272.88 and 249,142.51

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Solution

The fourth proportional to 586,105.75, 879,272.88 and 249,142.51 is: 373,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,105.75 : 879,272.88 = 249,142.51 : x
  2. Step 2: Convert to fraction form
    586,105.75/879,272.88 = 249,142.51/x
  3. Step 3: Cross multiply
    586,105.75x = 879,272.88 × 249,142.51
  4. Step 4: Simplify right side
    586,105.75x = 219,064,252,298.13
  5. Step 5: Solve for x
    x = 219,064,252,298.13/586,105.75
  6. Step 6: Final answer
    x = 373,762.33

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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.