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Finding the Fourth Proportional to 607,259.16, 910,899.54 and 186,538.68

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Solution

The fourth proportional to 607,259.16, 910,899.54 and 186,538.68 is: 279,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,259.16 : 910,899.54 = 186,538.68 : x
  2. Step 2: Convert to fraction form
    607,259.16/910,899.54 = 186,538.68/x
  3. Step 3: Cross multiply
    607,259.16x = 910,899.54 × 186,538.68
  4. Step 4: Simplify right side
    607,259.16x = 169,917,997,804.21
  5. Step 5: Solve for x
    x = 169,917,997,804.21/607,259.16
  6. Step 6: Final answer
    x = 279,811.34

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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.