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Finding the Fourth Proportional to 545,688.30, 818,532.45 and 466,956.30

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Solution

The fourth proportional to 545,688.30, 818,532.45 and 466,956.30 is: 700,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,688.30 : 818,532.45 = 466,956.30 : x
  2. Step 2: Convert to fraction form
    545,688.30/818,532.45 = 466,956.30/x
  3. Step 3: Cross multiply
    545,688.30x = 818,532.45 × 466,956.30
  4. Step 4: Simplify right side
    545,688.30x = 382,218,884,281.94
  5. Step 5: Solve for x
    x = 382,218,884,281.94/545,688.30
  6. Step 6: Final answer
    x = 700,434.45

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Similar ratio
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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.