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Finding the Fourth Proportional to 707,416.89, 976,362.65 and 417,011.13

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Solution

The fourth proportional to 707,416.89, 976,362.65 and 417,011.13 is: 575,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,416.89 : 976,362.65 = 417,011.13 : x
  2. Step 2: Convert to fraction form
    707,416.89/976,362.65 = 417,011.13/x
  3. Step 3: Cross multiply
    707,416.89x = 976,362.65 × 417,011.13
  4. Step 4: Simplify right side
    707,416.89x = 407,154,089,881.24
  5. Step 5: Solve for x
    x = 407,154,089,881.24/707,416.89
  6. Step 6: Final answer
    x = 575,550.42

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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.