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Finding the Fourth Proportional to 586,512.32, 879,804 and 165,820.16

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Solution

The fourth proportional to 586,512.32, 879,804 and 165,820.16 is: 248,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,512.32 : 879,804 = 165,820.16 : x
  2. Step 2: Convert to fraction form
    586,512.32/879,804 = 165,820.16/x
  3. Step 3: Cross multiply
    586,512.32x = 879,804 × 165,820.16
  4. Step 4: Simplify right side
    586,512.32x = 145,889,240,048.64
  5. Step 5: Solve for x
    x = 145,889,240,048.64/586,512.32
  6. Step 6: Final answer
    x = 248,740.28

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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.