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Finding the Fourth Proportional to 586,118.43, 879,106.37 and 249,294.51

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Solution

The fourth proportional to 586,118.43, 879,106.37 and 249,294.51 is: 373,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,118.43 : 879,106.37 = 249,294.51 : x
  2. Step 2: Convert to fraction form
    586,118.43/879,106.37 = 249,294.51/x
  3. Step 3: Cross multiply
    586,118.43x = 879,106.37 × 249,294.51
  4. Step 4: Simplify right side
    586,118.43x = 219,156,390,500.56
  5. Step 5: Solve for x
    x = 219,156,390,500.56/586,118.43
  6. Step 6: Final answer
    x = 373,911.45

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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.