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Finding the Fourth Proportional to 626,341.33, 939,503.79 and 153,030.79

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Solution

The fourth proportional to 626,341.33, 939,503.79 and 153,030.79 is: 229,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,341.33 : 939,503.79 = 153,030.79 : x
  2. Step 2: Convert to fraction form
    626,341.33/939,503.79 = 153,030.79/x
  3. Step 3: Cross multiply
    626,341.33x = 939,503.79 × 153,030.79
  4. Step 4: Simplify right side
    626,341.33x = 143,773,007,191.69
  5. Step 5: Solve for x
    x = 143,773,007,191.69/626,341.33
  6. Step 6: Final answer
    x = 229,544.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.