Home / 366,875.10-550,312.65-278,301.60

Finding the Fourth Proportional to 366,875.10, 550,312.65 and 278,301.60

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Solution

The fourth proportional to 366,875.10, 550,312.65 and 278,301.60 is: 417,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,875.10 : 550,312.65 = 278,301.60 : x
  2. Step 2: Convert to fraction form
    366,875.10/550,312.65 = 278,301.60/x
  3. Step 3: Cross multiply
    366,875.10x = 550,312.65 × 278,301.60
  4. Step 4: Simplify right side
    366,875.10x = 153,152,890,995.24
  5. Step 5: Solve for x
    x = 153,152,890,995.24/366,875.10
  6. Step 6: Final answer
    x = 417,452.40

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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.