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Finding the Fourth Proportional to 424,782.54, 586,132.74 and 243,459.54

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Solution

The fourth proportional to 424,782.54, 586,132.74 and 243,459.54 is: 335,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,782.54 : 586,132.74 = 243,459.54 : x
  2. Step 2: Convert to fraction form
    424,782.54/586,132.74 = 243,459.54/x
  3. Step 3: Cross multiply
    424,782.54x = 586,132.74 × 243,459.54
  4. Step 4: Simplify right side
    424,782.54x = 142,699,607,259.34
  5. Step 5: Solve for x
    x = 142,699,607,259.34/424,782.54
  6. Step 6: Final answer
    x = 335,935.67

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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.