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Finding the Fourth Proportional to 364,000.80, 546,001.20 and 357,002.40

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Solution

The fourth proportional to 364,000.80, 546,001.20 and 357,002.40 is: 535,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,000.80 : 546,001.20 = 357,002.40 : x
  2. Step 2: Convert to fraction form
    364,000.80/546,001.20 = 357,002.40/x
  3. Step 3: Cross multiply
    364,000.80x = 546,001.20 × 357,002.40
  4. Step 4: Simplify right side
    364,000.80x = 194,923,738,802.88
  5. Step 5: Solve for x
    x = 194,923,738,802.88/364,000.80
  6. Step 6: Final answer
    x = 535,503.60

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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.