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Finding the Fourth Proportional to 653,000.40, 901,090.98 and 366,465.06

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Solution

The fourth proportional to 653,000.40, 901,090.98 and 366,465.06 is: 505,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,000.40 : 901,090.98 = 366,465.06 : x
  2. Step 2: Convert to fraction form
    653,000.40/901,090.98 = 366,465.06/x
  3. Step 3: Cross multiply
    653,000.40x = 901,090.98 × 366,465.06
  4. Step 4: Simplify right side
    653,000.40x = 330,218,360,051.16
  5. Step 5: Solve for x
    x = 330,218,360,051.16/653,000.40
  6. Step 6: Final answer
    x = 505,693.96

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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.