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Finding the Fourth Proportional to 473,807.80, 710,711.70 and 435,100.60

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Solution

The fourth proportional to 473,807.80, 710,711.70 and 435,100.60 is: 652,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,807.80 : 710,711.70 = 435,100.60 : x
  2. Step 2: Convert to fraction form
    473,807.80/710,711.70 = 435,100.60/x
  3. Step 3: Cross multiply
    473,807.80x = 710,711.70 × 435,100.60
  4. Step 4: Simplify right side
    473,807.80x = 309,231,087,097.02
  5. Step 5: Solve for x
    x = 309,231,087,097.02/473,807.80
  6. Step 6: Final answer
    x = 652,650.90

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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.