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Finding the Fourth Proportional to 366,317.60, 549,476.40 and 260,029.40

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Solution

The fourth proportional to 366,317.60, 549,476.40 and 260,029.40 is: 390,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,317.60 : 549,476.40 = 260,029.40 : x
  2. Step 2: Convert to fraction form
    366,317.60/549,476.40 = 260,029.40/x
  3. Step 3: Cross multiply
    366,317.60x = 549,476.40 × 260,029.40
  4. Step 4: Simplify right side
    366,317.60x = 142,880,018,606.16
  5. Step 5: Solve for x
    x = 142,880,018,606.16/366,317.60
  6. Step 6: Final answer
    x = 390,044.10

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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.