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Finding the Fourth Proportional to 366,368.10, 549,552.15 and 260,079.90

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Solution

The fourth proportional to 366,368.10, 549,552.15 and 260,079.90 is: 390,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,368.10 : 549,552.15 = 260,079.90 : x
  2. Step 2: Convert to fraction form
    366,368.10/549,552.15 = 260,079.90/x
  3. Step 3: Cross multiply
    366,368.10x = 549,552.15 × 260,079.90
  4. Step 4: Simplify right side
    366,368.10x = 142,927,468,216.79
  5. Step 5: Solve for x
    x = 142,927,468,216.79/366,368.10
  6. Step 6: Final answer
    x = 390,119.85

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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.