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Finding the Fourth Proportional to 443,312.30, 663,984.30 and 364,580.30

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Solution

The fourth proportional to 443,312.30, 663,984.30 and 364,580.30 is: 546,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,312.30 : 663,984.30 = 364,580.30 : x
  2. Step 2: Convert to fraction form
    443,312.30/663,984.30 = 364,580.30/x
  3. Step 3: Cross multiply
    443,312.30x = 663,984.30 × 364,580.30
  4. Step 4: Simplify right side
    443,312.30x = 242,075,595,289.29
  5. Step 5: Solve for x
    x = 242,075,595,289.29/443,312.30
  6. Step 6: Final answer
    x = 546,061.08

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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.