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Finding the Fourth Proportional to 473,196.75, 709,445.21 and 286,166.67

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Solution

The fourth proportional to 473,196.75, 709,445.21 and 286,166.67 is: 429,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,196.75 : 709,445.21 = 286,166.67 : x
  2. Step 2: Convert to fraction form
    473,196.75/709,445.21 = 286,166.67/x
  3. Step 3: Cross multiply
    473,196.75x = 709,445.21 × 286,166.67
  4. Step 4: Simplify right side
    473,196.75x = 203,019,571,862.32
  5. Step 5: Solve for x
    x = 203,019,571,862.32/473,196.75
  6. Step 6: Final answer
    x = 429,038.39

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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.