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Finding the Fourth Proportional to 669,703.51, 924,207.50 and 363,779.79

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Solution

The fourth proportional to 669,703.51, 924,207.50 and 363,779.79 is: 502,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,703.51 : 924,207.50 = 363,779.79 : x
  2. Step 2: Convert to fraction form
    669,703.51/924,207.50 = 363,779.79/x
  3. Step 3: Cross multiply
    669,703.51x = 924,207.50 × 363,779.79
  4. Step 4: Simplify right side
    669,703.51x = 336,208,010,266.43
  5. Step 5: Solve for x
    x = 336,208,010,266.43/669,703.51
  6. Step 6: Final answer
    x = 502,025.16

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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.