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Finding the Fourth Proportional to 546,263.55, 754,010.37 and 316,878.84

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Solution

The fourth proportional to 546,263.55, 754,010.37 and 316,878.84 is: 437,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,263.55 : 754,010.37 = 316,878.84 : x
  2. Step 2: Convert to fraction form
    546,263.55/754,010.37 = 316,878.84/x
  3. Step 3: Cross multiply
    546,263.55x = 754,010.37 × 316,878.84
  4. Step 4: Simplify right side
    546,263.55x = 238,929,931,393.57
  5. Step 5: Solve for x
    x = 238,929,931,393.57/546,263.55
  6. Step 6: Final answer
    x = 437,389.48

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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.