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Finding the Fourth Proportional to 473,430.76, 653,324.34 and 258,571.68

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Solution

The fourth proportional to 473,430.76, 653,324.34 and 258,571.68 is: 356,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,430.76 : 653,324.34 = 258,571.68 : x
  2. Step 2: Convert to fraction form
    473,430.76/653,324.34 = 258,571.68/x
  3. Step 3: Cross multiply
    473,430.76x = 653,324.34 × 258,571.68
  4. Step 4: Simplify right side
    473,430.76x = 168,931,172,178.69
  5. Step 5: Solve for x
    x = 168,931,172,178.69/473,430.76
  6. Step 6: Final answer
    x = 356,823.40

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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.