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Finding the Fourth Proportional to 593,133.20, 889,699.80 and 435,669.20

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Solution

The fourth proportional to 593,133.20, 889,699.80 and 435,669.20 is: 653,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,133.20 : 889,699.80 = 435,669.20 : x
  2. Step 2: Convert to fraction form
    593,133.20/889,699.80 = 435,669.20/x
  3. Step 3: Cross multiply
    593,133.20x = 889,699.80 × 435,669.20
  4. Step 4: Simplify right side
    593,133.20x = 387,614,800,106.16
  5. Step 5: Solve for x
    x = 387,614,800,106.16/593,133.20
  6. Step 6: Final answer
    x = 653,503.80

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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.