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Finding the Fourth Proportional to 593,209.63, 889,420.78 and 415,931.41

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Solution

The fourth proportional to 593,209.63, 889,420.78 and 415,931.41 is: 623,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,209.63 : 889,420.78 = 415,931.41 : x
  2. Step 2: Convert to fraction form
    593,209.63/889,420.78 = 415,931.41/x
  3. Step 3: Cross multiply
    593,209.63x = 889,420.78 × 415,931.41
  4. Step 4: Simplify right side
    593,209.63x = 369,938,039,108.70
  5. Step 5: Solve for x
    x = 369,938,039,108.70/593,209.63
  6. Step 6: Final answer
    x = 623,621.10

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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.