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Finding the Fourth Proportional to 459,656.48, 689,314.08 and 160,060.16

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Solution

The fourth proportional to 459,656.48, 689,314.08 and 160,060.16 is: 240,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,656.48 : 689,314.08 = 160,060.16 : x
  2. Step 2: Convert to fraction form
    459,656.48/689,314.08 = 160,060.16/x
  3. Step 3: Cross multiply
    459,656.48x = 689,314.08 × 160,060.16
  4. Step 4: Simplify right side
    459,656.48x = 110,331,721,935.05
  5. Step 5: Solve for x
    x = 110,331,721,935.05/459,656.48
  6. Step 6: Final answer
    x = 240,030.82

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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.