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Finding the Fourth Proportional to 586,316.34, 879,478.02 and 165,595.86

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Solution

The fourth proportional to 586,316.34, 879,478.02 and 165,595.86 is: 248,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,316.34 : 879,478.02 = 165,595.86 : x
  2. Step 2: Convert to fraction form
    586,316.34/879,478.02 = 165,595.86/x
  3. Step 3: Cross multiply
    586,316.34x = 879,478.02 × 165,595.86
  4. Step 4: Simplify right side
    586,316.34x = 145,637,919,073.00
  5. Step 5: Solve for x
    x = 145,637,919,073.00/586,316.34
  6. Step 6: Final answer
    x = 248,394.78

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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.