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Finding the Fourth Proportional to 553,813.16, 832,453.80 and 365,483.76

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Solution

The fourth proportional to 553,813.16, 832,453.80 and 365,483.76 is: 549,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,813.16 : 832,453.80 = 365,483.76 : x
  2. Step 2: Convert to fraction form
    553,813.16/832,453.80 = 365,483.76/x
  3. Step 3: Cross multiply
    553,813.16x = 832,453.80 × 365,483.76
  4. Step 4: Simplify right side
    553,813.16x = 304,248,342,576.69
  5. Step 5: Solve for x
    x = 304,248,342,576.69/553,813.16
  6. Step 6: Final answer
    x = 549,370.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.