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Finding the Fourth Proportional to 601,261.32, 830,298.42 and 450,095.88

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Solution

The fourth proportional to 601,261.32, 830,298.42 and 450,095.88 is: 621,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,261.32 : 830,298.42 = 450,095.88 : x
  2. Step 2: Convert to fraction form
    601,261.32/830,298.42 = 450,095.88/x
  3. Step 3: Cross multiply
    601,261.32x = 830,298.42 × 450,095.88
  4. Step 4: Simplify right side
    601,261.32x = 373,713,898,012.51
  5. Step 5: Solve for x
    x = 373,713,898,012.51/601,261.32
  6. Step 6: Final answer
    x = 621,549.87

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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.