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Finding the Fourth Proportional to 364,075.40, 546,113.10 and 238,104.20

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Solution

The fourth proportional to 364,075.40, 546,113.10 and 238,104.20 is: 357,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,075.40 : 546,113.10 = 238,104.20 : x
  2. Step 2: Convert to fraction form
    364,075.40/546,113.10 = 238,104.20/x
  3. Step 3: Cross multiply
    364,075.40x = 546,113.10 × 238,104.20
  4. Step 4: Simplify right side
    364,075.40x = 130,031,822,785.02
  5. Step 5: Solve for x
    x = 130,031,822,785.02/364,075.40
  6. Step 6: Final answer
    x = 357,156.30

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1.5x scale

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.