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Finding the Fourth Proportional to 492,075.30, 736,144.65 and 426,246.60

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Solution

The fourth proportional to 492,075.30, 736,144.65 and 426,246.60 is: 637,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,075.30 : 736,144.65 = 426,246.60 : x
  2. Step 2: Convert to fraction form
    492,075.30/736,144.65 = 426,246.60/x
  3. Step 3: Cross multiply
    492,075.30x = 736,144.65 × 426,246.60
  4. Step 4: Simplify right side
    492,075.30x = 313,779,154,170.69
  5. Step 5: Solve for x
    x = 313,779,154,170.69/492,075.30
  6. Step 6: Final answer
    x = 637,664.91

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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.