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Finding the Fourth Proportional to 440,482.13, 607,813.76 and 259,154.18

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Solution

The fourth proportional to 440,482.13, 607,813.76 and 259,154.18 is: 357,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,482.13 : 607,813.76 = 259,154.18 : x
  2. Step 2: Convert to fraction form
    440,482.13/607,813.76 = 259,154.18/x
  3. Step 3: Cross multiply
    440,482.13x = 607,813.76 × 259,154.18
  4. Step 4: Simplify right side
    440,482.13x = 157,517,474,174.33
  5. Step 5: Solve for x
    x = 157,517,474,174.33/440,482.13
  6. Step 6: Final answer
    x = 357,602.42

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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.