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Finding the Fourth Proportional to 615,379.02, 849,334.20 and 367,036.90

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Solution

The fourth proportional to 615,379.02, 849,334.20 and 367,036.90 is: 506,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,379.02 : 849,334.20 = 367,036.90 : x
  2. Step 2: Convert to fraction form
    615,379.02/849,334.20 = 367,036.90/x
  3. Step 3: Cross multiply
    615,379.02x = 849,334.20 × 367,036.90
  4. Step 4: Simplify right side
    615,379.02x = 311,736,991,831.98
  5. Step 5: Solve for x
    x = 311,736,991,831.98/615,379.02
  6. Step 6: Final answer
    x = 506,577.22

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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.