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Finding the Fourth Proportional to 464,501.58, 640,271.34 and 349,607.46

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Solution

The fourth proportional to 464,501.58, 640,271.34 and 349,607.46 is: 481,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,501.58 : 640,271.34 = 349,607.46 : x
  2. Step 2: Convert to fraction form
    464,501.58/640,271.34 = 349,607.46/x
  3. Step 3: Cross multiply
    464,501.58x = 640,271.34 × 349,607.46
  4. Step 4: Simplify right side
    464,501.58x = 223,843,636,888.20
  5. Step 5: Solve for x
    x = 223,843,636,888.20/464,501.58
  6. Step 6: Final answer
    x = 481,900.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.