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Finding the Fourth Proportional to 707,316.54, 975,808.53 and 435,302.34

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Solution

The fourth proportional to 707,316.54, 975,808.53 and 435,302.34 is: 600,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,316.54 : 975,808.53 = 435,302.34 : x
  2. Step 2: Convert to fraction form
    707,316.54/975,808.53 = 435,302.34/x
  3. Step 3: Cross multiply
    707,316.54x = 975,808.53 × 435,302.34
  4. Step 4: Simplify right side
    707,316.54x = 424,771,736,500.96
  5. Step 5: Solve for x
    x = 424,771,736,500.96/707,316.54
  6. Step 6: Final answer
    x = 600,539.80

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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.