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Finding the Fourth Proportional to 867,005.97, 1,196,441.22 and 479,798.10

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Solution

The fourth proportional to 867,005.97, 1,196,441.22 and 479,798.10 is: 662,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,005.97 : 1,196,441.22 = 479,798.10 : x
  2. Step 2: Convert to fraction form
    867,005.97/1,196,441.22 = 479,798.10/x
  3. Step 3: Cross multiply
    867,005.97x = 1,196,441.22 × 479,798.10
  4. Step 4: Simplify right side
    867,005.97x = 574,050,224,117.68
  5. Step 5: Solve for x
    x = 574,050,224,117.68/867,005.97
  6. Step 6: Final answer
    x = 662,106.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.