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Finding the Fourth Proportional to 362,693.90, 500,502.42 and 201,547.50

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Solution

The fourth proportional to 362,693.90, 500,502.42 and 201,547.50 is: 278,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,693.90 : 500,502.42 = 201,547.50 : x
  2. Step 2: Convert to fraction form
    362,693.90/500,502.42 = 201,547.50/x
  3. Step 3: Cross multiply
    362,693.90x = 500,502.42 × 201,547.50
  4. Step 4: Simplify right side
    362,693.90x = 100,875,011,494.95
  5. Step 5: Solve for x
    x = 100,875,011,494.95/362,693.90
  6. Step 6: Final answer
    x = 278,127.13

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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.