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Finding the Fourth Proportional to 659,705.33, 910,395.12 and 357,899.33

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Solution

The fourth proportional to 659,705.33, 910,395.12 and 357,899.33 is: 493,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,705.33 : 910,395.12 = 357,899.33 : x
  2. Step 2: Convert to fraction form
    659,705.33/910,395.12 = 357,899.33/x
  3. Step 3: Cross multiply
    659,705.33x = 910,395.12 × 357,899.33
  4. Step 4: Simplify right side
    659,705.33x = 325,829,803,483.27
  5. Step 5: Solve for x
    x = 325,829,803,483.27/659,705.33
  6. Step 6: Final answer
    x = 493,902.03

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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.