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Finding the Fourth Proportional to 313,483.80, 470,225.70 and 103,094.40

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Solution

The fourth proportional to 313,483.80, 470,225.70 and 103,094.40 is: 154,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,483.80 : 470,225.70 = 103,094.40 : x
  2. Step 2: Convert to fraction form
    313,483.80/470,225.70 = 103,094.40/x
  3. Step 3: Cross multiply
    313,483.80x = 470,225.70 × 103,094.40
  4. Step 4: Simplify right side
    313,483.80x = 48,477,636,406.08
  5. Step 5: Solve for x
    x = 48,477,636,406.08/313,483.80
  6. Step 6: Final answer
    x = 154,641.60

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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.