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Finding the Fourth Proportional to 865,784.16, 1,194,760.08 and 483,814.08

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Solution

The fourth proportional to 865,784.16, 1,194,760.08 and 483,814.08 is: 667,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,784.16 : 1,194,760.08 = 483,814.08 : x
  2. Step 2: Convert to fraction form
    865,784.16/1,194,760.08 = 483,814.08/x
  3. Step 3: Cross multiply
    865,784.16x = 1,194,760.08 × 483,814.08
  4. Step 4: Simplify right side
    865,784.16x = 578,041,748,925.93
  5. Step 5: Solve for x
    x = 578,041,748,925.93/865,784.16
  6. Step 6: Final answer
    x = 667,651.10

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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.