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Finding the Fourth Proportional to 473,807.55, 653,854.49 and 258,947.56

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Solution

The fourth proportional to 473,807.55, 653,854.49 and 258,947.56 is: 357,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,807.55 : 653,854.49 = 258,947.56 : x
  2. Step 2: Convert to fraction form
    473,807.55/653,854.49 = 258,947.56/x
  3. Step 3: Cross multiply
    473,807.55x = 653,854.49 × 258,947.56
  4. Step 4: Simplify right side
    473,807.55x = 169,314,024,780.54
  5. Step 5: Solve for x
    x = 169,314,024,780.54/473,807.55
  6. Step 6: Final answer
    x = 357,347.67

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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.