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Finding the Fourth Proportional to 546,079.16, 753,526.95 and 316,588.60

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Solution

The fourth proportional to 546,079.16, 753,526.95 and 316,588.60 is: 436,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,079.16 : 753,526.95 = 316,588.60 : x
  2. Step 2: Convert to fraction form
    546,079.16/753,526.95 = 316,588.60/x
  3. Step 3: Cross multiply
    546,079.16x = 753,526.95 × 316,588.60
  4. Step 4: Simplify right side
    546,079.16x = 238,558,041,917.47
  5. Step 5: Solve for x
    x = 238,558,041,917.47/546,079.16
  6. Step 6: Final answer
    x = 436,856.15

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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.