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Finding the Fourth Proportional to 583,141.47, 804,731.72 and 328,574.67

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Solution

The fourth proportional to 583,141.47, 804,731.72 and 328,574.67 is: 453,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,141.47 : 804,731.72 = 328,574.67 : x
  2. Step 2: Convert to fraction form
    583,141.47/804,731.72 = 328,574.67/x
  3. Step 3: Cross multiply
    583,141.47x = 804,731.72 × 328,574.67
  4. Step 4: Simplify right side
    583,141.47x = 264,414,459,337.53
  5. Step 5: Solve for x
    x = 264,414,459,337.53/583,141.47
  6. Step 6: Final answer
    x = 453,431.07

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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.