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Finding the Fourth Proportional to 651,602.40, 899,235.64 and 365,111.88

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Solution

The fourth proportional to 651,602.40, 899,235.64 and 365,111.88 is: 503,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,602.40 : 899,235.64 = 365,111.88 : x
  2. Step 2: Convert to fraction form
    651,602.40/899,235.64 = 365,111.88/x
  3. Step 3: Cross multiply
    651,602.40x = 899,235.64 × 365,111.88
  4. Step 4: Simplify right side
    651,602.40x = 328,321,615,083.40
  5. Step 5: Solve for x
    x = 328,321,615,083.40/651,602.40
  6. Step 6: Final answer
    x = 503,868.03

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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.