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Finding the Fourth Proportional to 593,762.40, 891,200.40 and 313,480.80

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Solution

The fourth proportional to 593,762.40, 891,200.40 and 313,480.80 is: 470,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,762.40 : 891,200.40 = 313,480.80 : x
  2. Step 2: Convert to fraction form
    593,762.40/891,200.40 = 313,480.80/x
  3. Step 3: Cross multiply
    593,762.40x = 891,200.40 × 313,480.80
  4. Step 4: Simplify right side
    593,762.40x = 279,374,214,352.32
  5. Step 5: Solve for x
    x = 279,374,214,352.32/593,762.40
  6. Step 6: Final answer
    x = 470,515.17

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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.