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Finding the Fourth Proportional to 524,915.83, 724,384.00 and 307,166.36

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Solution

The fourth proportional to 524,915.83, 724,384.00 and 307,166.36 is: 423,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,915.83 : 724,384.00 = 307,166.36 : x
  2. Step 2: Convert to fraction form
    524,915.83/724,384.00 = 307,166.36/x
  3. Step 3: Cross multiply
    524,915.83x = 724,384.00 × 307,166.36
  4. Step 4: Simplify right side
    524,915.83x = 222,506,398,222.84
  5. Step 5: Solve for x
    x = 222,506,398,222.84/524,915.83
  6. Step 6: Final answer
    x = 423,889.67

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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.