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Finding the Fourth Proportional to 291,250.60, 436,875.90 and 249,260.20

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Solution

The fourth proportional to 291,250.60, 436,875.90 and 249,260.20 is: 373,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,250.60 : 436,875.90 = 249,260.20 : x
  2. Step 2: Convert to fraction form
    291,250.60/436,875.90 = 249,260.20/x
  3. Step 3: Cross multiply
    291,250.60x = 436,875.90 × 249,260.20
  4. Step 4: Simplify right side
    291,250.60x = 108,895,774,209.18
  5. Step 5: Solve for x
    x = 108,895,774,209.18/291,250.60
  6. Step 6: Final answer
    x = 373,890.30

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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.