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Finding the Fourth Proportional to 403,614.84, 556,988.54 and 233,947.40

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Solution

The fourth proportional to 403,614.84, 556,988.54 and 233,947.40 is: 322,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,614.84 : 556,988.54 = 233,947.40 : x
  2. Step 2: Convert to fraction form
    403,614.84/556,988.54 = 233,947.40/x
  3. Step 3: Cross multiply
    403,614.84x = 556,988.54 × 233,947.40
  4. Step 4: Simplify right side
    403,614.84x = 130,306,020,762.80
  5. Step 5: Solve for x
    x = 130,306,020,762.80/403,614.84
  6. Step 6: Final answer
    x = 322,847.45

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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.