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Finding the Fourth Proportional to 509,430.60, 714,252.60 and 509,430.60

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Solution

The fourth proportional to 509,430.60, 714,252.60 and 509,430.60 is: 714,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,430.60 : 714,252.60 = 509,430.60 : x
  2. Step 2: Convert to fraction form
    509,430.60/714,252.60 = 509,430.60/x
  3. Step 3: Cross multiply
    509,430.60x = 714,252.60 × 509,430.60
  4. Step 4: Simplify right side
    509,430.60x = 363,862,130,569.56
  5. Step 5: Solve for x
    x = 363,862,130,569.56/509,430.60
  6. Step 6: Final answer
    x = 714,252.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.