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Finding the Fourth Proportional to 470,815.60, 706,223.40 and 249,631.60

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Solution

The fourth proportional to 470,815.60, 706,223.40 and 249,631.60 is: 374,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,815.60 : 706,223.40 = 249,631.60 : x
  2. Step 2: Convert to fraction form
    470,815.60/706,223.40 = 249,631.60/x
  3. Step 3: Cross multiply
    470,815.60x = 706,223.40 × 249,631.60
  4. Step 4: Simplify right side
    470,815.60x = 176,295,677,299.44
  5. Step 5: Solve for x
    x = 176,295,677,299.44/470,815.60
  6. Step 6: Final answer
    x = 374,447.40

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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.