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Finding the Fourth Proportional to 440,477.56, 607,754.91 and 259,197.40

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Solution

The fourth proportional to 440,477.56, 607,754.91 and 259,197.40 is: 357,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,477.56 : 607,754.91 = 259,197.40 : x
  2. Step 2: Convert to fraction form
    440,477.56/607,754.91 = 259,197.40/x
  3. Step 3: Cross multiply
    440,477.56x = 607,754.91 × 259,197.40
  4. Step 4: Simplify right side
    440,477.56x = 157,528,492,509.23
  5. Step 5: Solve for x
    x = 157,528,492,509.23/440,477.56
  6. Step 6: Final answer
    x = 357,631.14

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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.