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Finding the Fourth Proportional to 553,673.70, 830,510.55 and 473,957.55

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Solution

The fourth proportional to 553,673.70, 830,510.55 and 473,957.55 is: 710,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,673.70 : 830,510.55 = 473,957.55 : x
  2. Step 2: Convert to fraction form
    553,673.70/830,510.55 = 473,957.55/x
  3. Step 3: Cross multiply
    553,673.70x = 830,510.55 × 473,957.55
  4. Step 4: Simplify right side
    553,673.70x = 393,626,745,527.15
  5. Step 5: Solve for x
    x = 393,626,745,527.15/553,673.70
  6. Step 6: Final answer
    x = 710,936.33

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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.