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Finding the Fourth Proportional to 586,145.34, 879,094.98 and 165,322.80

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Solution

The fourth proportional to 586,145.34, 879,094.98 and 165,322.80 is: 247,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,145.34 : 879,094.98 = 165,322.80 : x
  2. Step 2: Convert to fraction form
    586,145.34/879,094.98 = 165,322.80/x
  3. Step 3: Cross multiply
    586,145.34x = 879,094.98 × 165,322.80
  4. Step 4: Simplify right side
    586,145.34x = 145,334,443,559.54
  5. Step 5: Solve for x
    x = 145,334,443,559.54/586,145.34
  6. Step 6: Final answer
    x = 247,949.50

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1.5x scale

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.