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Finding the Fourth Proportional to 506,241.65, 698,677.73 and 288,528.58

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Solution

The fourth proportional to 506,241.65, 698,677.73 and 288,528.58 is: 398,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,241.65 : 698,677.73 = 288,528.58 : x
  2. Step 2: Convert to fraction form
    506,241.65/698,677.73 = 288,528.58/x
  3. Step 3: Cross multiply
    506,241.65x = 698,677.73 × 288,528.58
  4. Step 4: Simplify right side
    506,241.65x = 201,588,492,289.15
  5. Step 5: Solve for x
    x = 201,588,492,289.15/506,241.65
  6. Step 6: Final answer
    x = 398,206.06

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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.