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Finding the Fourth Proportional to 679,076.04, 937,124.76 and 373,172.16

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Solution

The fourth proportional to 679,076.04, 937,124.76 and 373,172.16 is: 514,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,076.04 : 937,124.76 = 373,172.16 : x
  2. Step 2: Convert to fraction form
    679,076.04/937,124.76 = 373,172.16/x
  3. Step 3: Cross multiply
    679,076.04x = 937,124.76 × 373,172.16
  4. Step 4: Simplify right side
    679,076.04x = 349,708,870,878.68
  5. Step 5: Solve for x
    x = 349,708,870,878.68/679,076.04
  6. Step 6: Final answer
    x = 514,977.48

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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.