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Finding the Fourth Proportional to 425,173.34, 586,739.16 and 234,186.74

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Solution

The fourth proportional to 425,173.34, 586,739.16 and 234,186.74 is: 323,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,173.34 : 586,739.16 = 234,186.74 : x
  2. Step 2: Convert to fraction form
    425,173.34/586,739.16 = 234,186.74/x
  3. Step 3: Cross multiply
    425,173.34x = 586,739.16 × 234,186.74
  4. Step 4: Simplify right side
    425,173.34x = 137,406,528,177.04
  5. Step 5: Solve for x
    x = 137,406,528,177.04/425,173.34
  6. Step 6: Final answer
    x = 323,177.67

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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.