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Finding the Fourth Proportional to 470,364.60, 649,106.52 and 255,504.72

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Solution

The fourth proportional to 470,364.60, 649,106.52 and 255,504.72 is: 352,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,364.60 : 649,106.52 = 255,504.72 : x
  2. Step 2: Convert to fraction form
    470,364.60/649,106.52 = 255,504.72/x
  3. Step 3: Cross multiply
    470,364.60x = 649,106.52 × 255,504.72
  4. Step 4: Simplify right side
    470,364.60x = 165,849,779,642.77
  5. Step 5: Solve for x
    x = 165,849,779,642.77/470,364.60
  6. Step 6: Final answer
    x = 352,598.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.