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Finding the Fourth Proportional to 453,703.32, 626,146.74 and 262,720.08

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Solution

The fourth proportional to 453,703.32, 626,146.74 and 262,720.08 is: 362,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,703.32 : 626,146.74 = 262,720.08 : x
  2. Step 2: Convert to fraction form
    453,703.32/626,146.74 = 262,720.08/x
  3. Step 3: Cross multiply
    453,703.32x = 626,146.74 × 262,720.08
  4. Step 4: Simplify right side
    453,703.32x = 164,501,321,624.54
  5. Step 5: Solve for x
    x = 164,501,321,624.54/453,703.32
  6. Step 6: Final answer
    x = 362,574.65

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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.