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Finding the Fourth Proportional to 675,050.55, 931,537.02 and 384,730.08

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Solution

The fourth proportional to 675,050.55, 931,537.02 and 384,730.08 is: 530,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,050.55 : 931,537.02 = 384,730.08 : x
  2. Step 2: Convert to fraction form
    675,050.55/931,537.02 = 384,730.08/x
  3. Step 3: Cross multiply
    675,050.55x = 931,537.02 × 384,730.08
  4. Step 4: Simplify right side
    675,050.55x = 358,390,312,227.56
  5. Step 5: Solve for x
    x = 358,390,312,227.56/675,050.55
  6. Step 6: Final answer
    x = 530,908.85

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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.