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Finding the Fourth Proportional to 586,589.80, 879,009.90 and 497,360.20

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Solution

The fourth proportional to 586,589.80, 879,009.90 and 497,360.20 is: 745,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,589.80 : 879,009.90 = 497,360.20 : x
  2. Step 2: Convert to fraction form
    586,589.80/879,009.90 = 497,360.20/x
  3. Step 3: Cross multiply
    586,589.80x = 879,009.90 × 497,360.20
  4. Step 4: Simplify right side
    586,589.80x = 437,184,539,665.98
  5. Step 5: Solve for x
    x = 437,184,539,665.98/586,589.80
  6. Step 6: Final answer
    x = 745,298.57

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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.