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Finding the Fourth Proportional to 200,526.06, 300,807.64 and 65,590.89

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Solution

The fourth proportional to 200,526.06, 300,807.64 and 65,590.89 is: 98,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,526.06 : 300,807.64 = 65,590.89 : x
  2. Step 2: Convert to fraction form
    200,526.06/300,807.64 = 65,590.89/x
  3. Step 3: Cross multiply
    200,526.06x = 300,807.64 × 65,590.89
  4. Step 4: Simplify right side
    200,526.06x = 19,730,240,826.40
  5. Step 5: Solve for x
    x = 19,730,240,826.40/200,526.06
  6. Step 6: Final answer
    x = 98,392.40

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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.