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Finding the Fourth Proportional to 364,004.80, 546,007.20 and 357,006.40

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Solution

The fourth proportional to 364,004.80, 546,007.20 and 357,006.40 is: 535,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,004.80 : 546,007.20 = 357,006.40 : x
  2. Step 2: Convert to fraction form
    364,004.80/546,007.20 = 357,006.40/x
  3. Step 3: Cross multiply
    364,004.80x = 546,007.20 × 357,006.40
  4. Step 4: Simplify right side
    364,004.80x = 194,928,064,846.08
  5. Step 5: Solve for x
    x = 194,928,064,846.08/364,004.80
  6. Step 6: Final answer
    x = 535,509.60

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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.