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Finding the Fourth Proportional to 243,510.77, 363,482.91 and 214,749.16

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Solution

The fourth proportional to 243,510.77, 363,482.91 and 214,749.16 is: 320,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,510.77 : 363,482.91 = 214,749.16 : x
  2. Step 2: Convert to fraction form
    243,510.77/363,482.91 = 214,749.16/x
  3. Step 3: Cross multiply
    243,510.77x = 363,482.91 × 214,749.16
  4. Step 4: Simplify right side
    243,510.77x = 78,057,650,674.58
  5. Step 5: Solve for x
    x = 78,057,650,674.58/243,510.77
  6. Step 6: Final answer
    x = 320,551.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.