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Finding the Fourth Proportional to 936,368.60, 1,402,584.60 and 778,904.60

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Solution

The fourth proportional to 936,368.60, 1,402,584.60 and 778,904.60 is: 1,166,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,368.60 : 1,402,584.60 = 778,904.60 : x
  2. Step 2: Convert to fraction form
    936,368.60/1,402,584.60 = 778,904.60/x
  3. Step 3: Cross multiply
    936,368.60x = 1,402,584.60 × 778,904.60
  4. Step 4: Simplify right side
    936,368.60x = 1,092,479,596,829.16
  5. Step 5: Solve for x
    x = 1,092,479,596,829.16/936,368.60
  6. Step 6: Final answer
    x = 1,166,719.60

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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.