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Finding the Fourth Proportional to 570,603.10, 855,904.65 and 404,715.10

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Solution

The fourth proportional to 570,603.10, 855,904.65 and 404,715.10 is: 607,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,603.10 : 855,904.65 = 404,715.10 : x
  2. Step 2: Convert to fraction form
    570,603.10/855,904.65 = 404,715.10/x
  3. Step 3: Cross multiply
    570,603.10x = 855,904.65 × 404,715.10
  4. Step 4: Simplify right side
    570,603.10x = 346,397,536,015.22
  5. Step 5: Solve for x
    x = 346,397,536,015.22/570,603.10
  6. Step 6: Final answer
    x = 607,072.65

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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.