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Finding the Fourth Proportional to 546,075.42, 753,563.52 and 316,642.39

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Solution

The fourth proportional to 546,075.42, 753,563.52 and 316,642.39 is: 436,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,075.42 : 753,563.52 = 316,642.39 : x
  2. Step 2: Convert to fraction form
    546,075.42/753,563.52 = 316,642.39/x
  3. Step 3: Cross multiply
    546,075.42x = 753,563.52 × 316,642.39
  4. Step 4: Simplify right side
    546,075.42x = 238,610,153,989.61
  5. Step 5: Solve for x
    x = 238,610,153,989.61/546,075.42
  6. Step 6: Final answer
    x = 436,954.58

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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.