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Finding the Fourth Proportional to 506,963.16, 760,386.38 and 133,015.32

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Solution

The fourth proportional to 506,963.16, 760,386.38 and 133,015.32 is: 199,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,963.16 : 760,386.38 = 133,015.32 : x
  2. Step 2: Convert to fraction form
    506,963.16/760,386.38 = 133,015.32/x
  3. Step 3: Cross multiply
    506,963.16x = 760,386.38 × 133,015.32
  4. Step 4: Simplify right side
    506,963.16x = 101,143,037,659.34
  5. Step 5: Solve for x
    x = 101,143,037,659.34/506,963.16
  6. Step 6: Final answer
    x = 199,507.67

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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.