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Finding the Fourth Proportional to 553,862.28, 832,527.54 and 365,532.90

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Solution

The fourth proportional to 553,862.28, 832,527.54 and 365,532.90 is: 549,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,862.28 : 832,527.54 = 365,532.90 : x
  2. Step 2: Convert to fraction form
    553,862.28/832,527.54 = 365,532.90/x
  3. Step 3: Cross multiply
    553,862.28x = 832,527.54 × 365,532.90
  4. Step 4: Simplify right side
    553,862.28x = 304,316,206,026.07
  5. Step 5: Solve for x
    x = 304,316,206,026.07/553,862.28
  6. Step 6: Final answer
    x = 549,443.82

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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.